73634664 has 16 divisors (see below), whose sum is σ = 184086720. Its totient is φ = 24544880.

The previous prime is 73634657. The next prime is 73634677. The reversal of 73634664 is 46643637.

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, 1534032 + ... + 1534079.

It is an arithmetic number, because the mean of its divisors is an integer number (11505420).

Almost surely, 2^73634664 is an apocalyptic number.

It is an amenable number.

73634664 is an abundant number, since it is smaller than the sum of its proper divisors (110452056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73634664 is a wasteful number, since it uses less digits than its factorization.

73634664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068120 (or 3068116 counting only the distinct ones).

The product of its digits is 217728, while the sum is 39.

The square root of 73634664 is about 8581.0642696579. The cubic root of 73634664 is about 419.1416028097.

The spelling of 73634664 in words is "seventy-three million, six hundred thirty-four thousand, six hundred sixty-four".