76504986 has 20 divisors (see below), whose sum is σ = 171428202. Its totient is φ = 25501608.

The previous prime is 76504973. The next prime is 76504991. The reversal of 76504986 is 68940567.

It can be written as a sum of positive squares in only one way, i.e., 51194025 + 25310961 = 7155^2 + 5031^2 .

It is a Curzon number.

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, 235965 + ... + 236288.

Almost surely, 2^76504986 is an apocalyptic number.

76504986 is an abundant number, since it is smaller than the sum of its proper divisors (94923216).

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

76504986 is a wasteful number, since it uses less digits than its factorization.

76504986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472267 (or 472258 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 76504986 is about 8746.7128682723. The cubic root of 76504986 is about 424.5184599097.

The spelling of 76504986 in words is "seventy-six million, five hundred four thousand, nine hundred eighty-six".