Main Page | See live article | Alphabetical index

Seventy-three

Seventy-three (73, LXXIII) is the natural number following seventy-two and preceding seventy-four. It is the 21st prime number. The previous is seventy-one, with which it comprises a twin prime. It is also a permutable prime with thirty-seven.

Seventy-three is also:

This article is about the number. For the year AD 73, see 73.