73964736 has 42 divisors (see below), whose sum is σ = 212008212. Its totient is φ = 24654720.

The previous prime is 73964707. The next prime is 73964743. The reversal of 73964736 is 63746937.

It is a junction number, because it is equal to n+sod(n) for n = 73964691 and 73964700.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63630 + ... + 64781.

Almost surely, 2^73964736 is an apocalyptic number.

It is an amenable number.

73964736 is an abundant number, since it is smaller than the sum of its proper divisors (138043476).

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

73964736 is a wasteful number, since it uses less digits than its factorization.

73964736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128429 (or 128416 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The square root of 73964736 is about 8600.2753444294. The cubic root of 73964736 is about 419.7669455339.

The spelling of 73964736 in words is "seventy-three million, nine hundred sixty-four thousand, seven hundred thirty-six".