73438902 has 24 divisors (see below), whose sum is σ = 159565536. Its totient is φ = 24410736.

The previous prime is 73438891. The next prime is 73438919. The reversal of 73438902 is 20983437.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1048 + ... + 12164.

It is an arithmetic number, because the mean of its divisors is an integer number (6648564).

Almost surely, 2^73438902 is an apocalyptic number.

73438902 is an abundant number, since it is smaller than the sum of its proper divisors (86126634).

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

73438902 is a wasteful number, since it uses less digits than its factorization.

73438902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11492 (or 11489 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 73438902 is about 8569.6500511981. The cubic root of 73438902 is about 418.7698357872.

The spelling of 73438902 in words is "seventy-three million, four hundred thirty-eight thousand, nine hundred two".