76756864 has 16 divisors (see below), whose sum is σ = 152914320. Its totient is φ = 38378368.

The previous prime is 76756859. The next prime is 76756871. The reversal of 76756864 is 46865767.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×76756864² = 11783232342228992, 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 as a sum of consecutive naturals, namely, 299704 + ... + 299959.

It is an arithmetic number, because the mean of its divisors is an integer number (9557145).

Almost surely, 2^76756864 is an apocalyptic number.

It is an amenable number.

76756864 is a deficient number, since it is larger than the sum of its proper divisors (76157456).

76756864 is an equidigital number, since it uses as much as digits as its factorization.

76756864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599677 (or 599665 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 49.

The square root of 76756864 is about 8761.0994743811. The cubic root of 76756864 is about 424.9838314495.

The spelling of 76756864 in words is "seventy-six million, seven hundred fifty-six thousand, eight hundred sixty-four".