76827904 has 18 divisors (see below), whose sum is σ = 153356210. Its totient is φ = 38413824.

The previous prime is 76827859. The next prime is 76827911. The reversal of 76827904 is 40972867.

It can be written as a sum of positive squares in only one way, i.e., 76597504 + 230400 = 8752^2 + 480^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149799 + ... + 150310.

Almost surely, 2^76827904 is an apocalyptic number.

It is an amenable number.

76827904 is a deficient number, since it is larger than the sum of its proper divisors (76528306).

76827904 is an equidigital number, since it uses as much as digits as its factorization.

76827904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300125 (or 300111 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 76827904 is about 8765.1528223985. The cubic root of 76827904 is about 425.1149013435.

The spelling of 76827904 in words is "seventy-six million, eight hundred twenty-seven thousand, nine hundred four".