73564516 has 6 divisors (see below), whose sum is σ = 128737910. Its totient is φ = 36782256.

The previous prime is 73564507. The next prime is 73564549. The reversal of 73564516 is 61546537.

It can be written as a sum of positive squares in only one way, i.e., 59351616 + 14212900 = 7704^2 + 3770^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9195561 + ... + 9195568.

Almost surely, 2^73564516 is an apocalyptic number.

It is an amenable number.

73564516 is a deficient number, since it is larger than the sum of its proper divisors (55173394).

73564516 is a wasteful number, since it uses less digits than its factorization.

73564516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18391133 (or 18391131 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 73564516 is about 8576.9759239490. The cubic root of 73564516 is about 419.0084622249.

The spelling of 73564516 in words is "seventy-three million, five hundred sixty-four thousand, five hundred sixteen".