72658680 has 64 divisors (see below), whose sum is σ = 230804640. Its totient is φ = 18235392.

The previous prime is 72658669. The next prime is 72658687. The reversal of 72658680 is 8685627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72658687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15769 + ... + 19848.

Almost surely, 2^72658680 is an apocalyptic number.

It is an amenable number.

72658680 is an abundant number, since it is smaller than the sum of its proper divisors (158145960).

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

72658680 is a wasteful number, since it uses less digits than its factorization.

72658680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35648 (or 35644 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 72658680 is about 8524.0061004202. The cubic root of 72658680 is about 417.2815355784.

The spelling of 72658680 in words is "seventy-two million, six hundred fifty-eight thousand, six hundred eighty".