76561528 has 16 divisors (see below), whose sum is σ = 143910000. Its totient is φ = 38185536.

The previous prime is 76561519. The next prime is 76561531. The reversal of 76561528 is 82516567.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8428 + ... + 14971.

It is an arithmetic number, because the mean of its divisors is an integer number (8994375).

Almost surely, 2^76561528 is an apocalyptic number.

It is an amenable number.

76561528 is a deficient number, since it is larger than the sum of its proper divisors (67348472).

76561528 is a wasteful number, since it uses less digits than its factorization.

76561528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23814 (or 23810 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 76561528 is about 8749.9444569666. The cubic root of 76561528 is about 424.6230161100.

The spelling of 76561528 in words is "seventy-six million, five hundred sixty-one thousand, five hundred twenty-eight".