715675680 has 72 divisors (see below), whose sum is σ = 2442248172. Its totient is φ = 190846464.

The previous prime is 715675657. The next prime is 715675687. The reversal of 715675680 is 86576517.

715675680 is a `hidden beast` number, since 7 + 1 + 567 + 5 + 6 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 606932496 + 108743184 = 24636^2 + 10428^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (715675687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247059 + ... + 249938.

Almost surely, 2^715675680 is an apocalyptic number.

It is an amenable number.

715675680 is an abundant number, since it is smaller than the sum of its proper divisors (1726572492).

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

715675680 is a wasteful number, since it uses less digits than its factorization.

715675680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497018 (or 497007 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 715675680 is about 26752.1154303730. The cubic root of 715675680 is about 894.4829905188.

The spelling of 715675680 in words is "seven hundred fifteen million, six hundred seventy-five thousand, six hundred eighty".