73064864 has 24 divisors (see below), whose sum is σ = 144046980. Its totient is φ = 36481536.

The previous prime is 73064863. The next prime is 73064917. The reversal of 73064864 is 46846037.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53173264 + 19891600 = 7292^2 + 4460^2 .

It is not an unprimeable number, because it can be changed into a prime (73064863) by changing a digit.

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, 33932 + ... + 36020.

Almost surely, 2^73064864 is an apocalyptic number.

It is an amenable number.

73064864 is a deficient number, since it is larger than the sum of its proper divisors (70982116).

73064864 is a wasteful number, since it uses less digits than its factorization.

73064864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192 (or 3184 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 73064864 is about 8547.7987809728. The cubic root of 73064864 is about 418.0576677685.

The spelling of 73064864 in words is "seventy-three million, sixty-four thousand, eight hundred sixty-four".