715747968 has 256 divisors, whose sum is σ = 2313360000. Its totient is φ = 216539136.

The previous prime is 715747919. The next prime is 715747969. The reversal of 715747968 is 869747517.

715747968 is a `hidden beast` number, since 7 + 1 + 574 + 7 + 9 + 68 = 666.

It is a super-2 number, since 2×715747968² = 1024590307392258048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (715747969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3998503 + ... + 3998681.

Almost surely, 2^715747968 is an apocalyptic number.

715747968 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 715747968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1156680000).

715747968 is an abundant number, since it is smaller than the sum of its proper divisors (1597612032).

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

715747968 is a wasteful number, since it uses less digits than its factorization.

715747968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 286 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 54.

The square root of 715747968 is about 26753.4664669833. The cubic root of 715747968 is about 894.5131057471.

The spelling of 715747968 in words is "seven hundred fifteen million, seven hundred forty-seven thousand, nine hundred sixty-eight".