76556764 has 12 divisors (see below), whose sum is σ = 134453088. Its totient is φ = 38141600.

The previous prime is 76556653. The next prime is 76556791. The reversal of 76556764 is 46765567.

It is a super-2 number, since 2×76556764² = 11721876228303392, which contains 22 as substring.

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, 32932 + ... + 35179.

It is an arithmetic number, because the mean of its divisors is an integer number (11204424).

Almost surely, 2^76556764 is an apocalyptic number.

It is an amenable number.

76556764 is a deficient number, since it is larger than the sum of its proper divisors (57896324).

76556764 is a wasteful number, since it uses less digits than its factorization.

76556764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68396 (or 68394 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 46.

The square root of 76556764 is about 8749.6722224321. The cubic root of 76556764 is about 424.6142086142.

The spelling of 76556764 in words is "seventy-six million, five hundred fifty-six thousand, seven hundred sixty-four".