717480864 has 72 divisors (see below), whose sum is σ = 2106179712. Its totient is φ = 231442560.

The previous prime is 717480857. The next prime is 717480877. The reversal of 717480864 is 468084717.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31254 + ... + 49109.

It is an arithmetic number, because the mean of its divisors is an integer number (29252496).

Almost surely, 2^717480864 is an apocalyptic number.

It is an amenable number.

717480864 is an abundant number, since it is smaller than the sum of its proper divisors (1388698848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

717480864 is a wasteful number, since it uses less digits than its factorization.

717480864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80410 (or 80399 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 717480864 is about 26785.8332705929. The cubic root of 717480864 is about 895.2344252395.

The spelling of 717480864 in words is "seven hundred seventeen million, four hundred eighty thousand, eight hundred sixty-four".