73042688 has 36 divisors (see below), whose sum is σ = 153483960. Its totient is φ = 34596864.

The previous prime is 73042679. The next prime is 73042691. The reversal of 73042688 is 88624037.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 2645 + ... + 12372.

Almost surely, 2^73042688 is an apocalyptic number.

It is an amenable number.

73042688 is an abundant number, since it is smaller than the sum of its proper divisors (80441272).

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

73042688 is a wasteful number, since it uses less digits than its factorization.

73042688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15052 (or 15038 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 73042688 is about 8546.5015064645. The cubic root of 73042688 is about 418.0153684360.

The spelling of 73042688 in words is "seventy-three million, forty-two thousand, six hundred eighty-eight".