715165728 has 24 divisors (see below), whose sum is σ = 1877310288. Its totient is φ = 238388544.

The previous prime is 715165699. The next prime is 715165733. The reversal of 715165728 is 827561517.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×715165728² = 1022924037011539968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 715165728.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3724726 + ... + 3724917.

It is an arithmetic number, because the mean of its divisors is an integer number (78221262).

Almost surely, 2^715165728 is an apocalyptic number.

It is an amenable number.

715165728 is an abundant number, since it is smaller than the sum of its proper divisors (1162144560).

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

715165728 is a wasteful number, since it uses less digits than its factorization.

715165728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7449656 (or 7449648 counting only the distinct ones).

The product of its digits is 117600, while the sum is 42.

The square root of 715165728 is about 26742.5826725842. The cubic root of 715165728 is about 894.2704865468.

The spelling of 715165728 in words is "seven hundred fifteen million, one hundred sixty-five thousand, seven hundred twenty-eight".