74 (number)
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74 is the natural number following 73 and preceding 75.
In mathematics
Seventy-four is a nontotient. There are 74 different non-Hamiltonian polyhedra with a minimum number of vertices.
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| Cardinal | seventy-four | ||
| Ordinal | 74th (seventy-fourth) | ||
| Factorization | <math>2 \cdot 37<math> | ||
| Roman numeral | LXXIV | ||
| Binary | 1001010 | ||
| Hexadecimal | 4A | ||
In science
- The atomic number of tungsten
In astronomy,
- Messier object M74, a magnitude 10.5 spiral galaxy in the constellation Pisces
- The New General Catalogue object (http://www.ngcic.org/) NGC 74, a galaxy in the constellation Andromeda
- The Saros number (http://sunearth.gsfc.nasa.gov/eclipse/SEsaros/SEsaros1-175.html) of the solar eclipse series which began on -615 August 8 and ended on 719 October 18. The duration of Saros series 74 was 1334.2 years, and it contained 75 solar eclipses.
- The Saros number (http://sunearth.gsfc.nasa.gov/eclipse/LEsaros/LEsaros1-175.html) of the lunar eclipse series which began on -331 May 7 and ended on 949 June 13. The duration of Saros series 74 was 1280.1 years, and it contained 72 lunar eclipses.
In other fields
Seventy-four is also:
- The designation of USA Interstate 74, a freeway that runs from Iowa to Ohio.
- The number of sons of Levites, Jeshua, Kadmiel, Binnui, Hodaviah, in the Census of men of Israel upon return from exile (Holy Bible, Ezra 2:40).
- The registry of the U.S. Navy's nuclear aircraft carrier USS John C. Stennis (CVN-74), named after U.S. Senator John C. Stennis.
- The year AD 74, 74 BC, or 1974.
- A third-rate man-of-war with 74 guns; see Seventy-four (ship).
- Sometimes used as a substitute for 47 on Star Trek in-jokes.
eo:Sepdek kvar ko:74 ia:74 it:Settantaquattro ja:74 sl:74 (število) sv:74 (tal) zh:74