715640396 has 24 divisors (see below), whose sum is σ = 1330620480. Its totient is φ = 335815632.

The previous prime is 715640327. The next prime is 715640399. The reversal of 715640396 is 693046517.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (715640399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35870 + ... + 52133.

It is an arithmetic number, because the mean of its divisors is an integer number (55442520).

Almost surely, 2^715640396 is an apocalyptic number.

715640396 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

715640396 is a deficient number, since it is larger than the sum of its proper divisors (614980084).

715640396 is a wasteful number, since it uses less digits than its factorization.

715640396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88133 (or 88131 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 715640396 is about 26751.4559603772. The cubic root of 715640396 is about 894.4682904447.

The spelling of 715640396 in words is "seven hundred fifteen million, six hundred forty thousand, three hundred ninety-six".