715978032 has 160 divisors (see below), whose sum is σ = 2317185024. Its totient is φ = 185068800.

The previous prime is 715977979. The next prime is 715978051. The reversal of 715978032 is 230879517.

715978032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1134357 + ... + 1134987.

Almost surely, 2^715978032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 715978032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1158592512).

715978032 is an abundant number, since it is smaller than the sum of its proper divisors (1601206992).

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

715978032 is a wasteful number, since it uses less digits than its factorization.

715978032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 715978032 is about 26757.7658260177. The cubic root of 715978032 is about 894.6089370670.

The spelling of 715978032 in words is "seven hundred fifteen million, nine hundred seventy-eight thousand, thirty-two".