76516520 has 16 divisors (see below), whose sum is σ = 172162260. Its totient is φ = 30606592.

The previous prime is 76516513. The next prime is 76516543. The reversal of 76516520 is 2561567.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 66031876 + 10484644 = 8126^2 + 3238^2 .

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, 956417 + ... + 956496.

Almost surely, 2^76516520 is an apocalyptic number.

It is an amenable number.

76516520 is an abundant number, since it is smaller than the sum of its proper divisors (95645740).

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

76516520 is a wasteful number, since it uses less digits than its factorization.

76516520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912924 (or 1912920 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 76516520 is about 8747.3721768312. The cubic root of 76516520 is about 424.5397925057.

The spelling of 76516520 in words is "seventy-six million, five hundred sixteen thousand, five hundred twenty".