76964864 has 22 divisors (see below), whose sum is σ = 153856614. Its totient is φ = 38481920.

The previous prime is 76964837. The next prime is 76964879. The reversal of 76964864 is 46846967.

It can be written as a sum of positive squares in only one way, i.e., 60964864 + 16000000 = 7808^2 + 4000^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36557 + ... + 38604.

Almost surely, 2^76964864 is an apocalyptic number.

It is an amenable number.

76964864 is a deficient number, since it is larger than the sum of its proper divisors (76891750).

76964864 is an equidigital number, since it uses as much as digits as its factorization.

76964864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75181 (or 75163 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 50.

The square root of 76964864 is about 8772.9620995420. The cubic root of 76964864 is about 425.3673667885.

The spelling of 76964864 in words is "seventy-six million, nine hundred sixty-four thousand, eight hundred sixty-four".