715988772 has 72 divisors (see below), whose sum is σ = 1932752640. Its totient is φ = 222989760.

The previous prime is 715988737. The next prime is 715988783. The reversal of 715988772 is 277889517.

It is a happy number.

715988772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21303 + ... + 43425.

Almost surely, 2^715988772 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 715988772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (966376320).

715988772 is an abundant number, since it is smaller than the sum of its proper divisors (1216763868).

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

715988772 is a wasteful number, since it uses less digits than its factorization.

715988772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22193 (or 22188 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 54.

The square root of 715988772 is about 26757.9665146662. The cubic root of 715988772 is about 894.6134102265.

The spelling of 715988772 in words is "seven hundred fifteen million, nine hundred eighty-eight thousand, seven hundred seventy-two".