718 = 2 x 359. It is the product of two distinct Sophie Germain primes.
718 is the number of unlabeled topologies (topological spaces) with six elements.
718 is 23032 in base 4.
The sum of the even digits of 718 equals the sum of the odd digits: 7 + 1 = 8.
718 is a New York City telephone area code.
