76561930 has 32 divisors (see below), whose sum is σ = 141761664. Its totient is φ = 29754816.

The previous prime is 76561873. The next prime is 76561951. The reversal of 76561930 is 3916567.

It is a self number, because there is not a number n which added to its sum of digits gives 76561930.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112752 + ... + 113428.

It is an arithmetic number, because the mean of its divisors is an integer number (4430052).

Almost surely, 2^76561930 is an apocalyptic number.

76561930 is a deficient number, since it is larger than the sum of its proper divisors (65199734).

76561930 is a wasteful number, since it uses less digits than its factorization.

76561930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 76561930 is about 8749.9674285108. The cubic root of 76561930 is about 424.6237592950.

The spelling of 76561930 in words is "seventy-six million, five hundred sixty-one thousand, nine hundred thirty".