76520538 has 20 divisors (see below), whose sum is σ = 171463050. Its totient is φ = 25506792.

The previous prime is 76520527. The next prime is 76520557. The reversal of 76520538 is 83502567.

76520538 is a `hidden beast` number, since 76 + 52 + 0 + 538 = 666.

It can be written as a sum of positive squares in only one way, i.e., 47651409 + 28869129 = 6903^2 + 5373^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 236013 + ... + 236336.

Almost surely, 2^76520538 is an apocalyptic number.

76520538 is an abundant number, since it is smaller than the sum of its proper divisors (94942512).

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

76520538 is a wasteful number, since it uses less digits than its factorization.

76520538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472363 (or 472354 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 76520538 is about 8747.6018427910. The cubic root of 76520538 is about 424.5472234545.

The spelling of 76520538 in words is "seventy-six million, five hundred twenty thousand, five hundred thirty-eight".