73513864 has 16 divisors (see below), whose sum is σ = 137969100. Its totient is φ = 36722112.

The previous prime is 73513849. The next prime is 73513871. The reversal of 73513864 is 46831537.

It can be written as a sum of positive squares in 2 ways, for example, as 48413764 + 25100100 = 6958^2 + 5010^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6094 + ... + 13570.

Almost surely, 2^73513864 is an apocalyptic number.

It is an amenable number.

73513864 is a deficient number, since it is larger than the sum of its proper divisors (64455236).

73513864 is a wasteful number, since it uses less digits than its factorization.

73513864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712 (or 8708 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 73513864 is about 8574.0226265155. The cubic root of 73513864 is about 418.9122723282.

The spelling of 73513864 in words is "seventy-three million, five hundred thirteen thousand, eight hundred sixty-four".