76520680 has 16 divisors (see below), whose sum is σ = 172171620. Its totient is φ = 30608256.

The previous prime is 76520669. The next prime is 76520737. The reversal of 76520680 is 8602567.

It can be written as a sum of positive squares in 2 ways, for example, as 70459236 + 6061444 = 8394^2 + 2462^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956469 + ... + 956548.

Almost surely, 2^76520680 is an apocalyptic number.

It is an amenable number.

76520680 is an abundant number, since it is smaller than the sum of its proper divisors (95650940).

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

76520680 is a wasteful number, since it uses less digits than its factorization.

76520680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913028 (or 1913024 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 76520680 is about 8747.6099592975. The cubic root of 76520680 is about 424.5474860666.

The spelling of 76520680 in words is "seventy-six million, five hundred twenty thousand, six hundred eighty".