73137072 has 40 divisors (see below), whose sum is σ = 195456240. Its totient is φ = 23537920.

The previous prime is 73137059. The next prime is 73137083. The reversal of 73137072 is 27073137.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24879 + ... + 27662.

It is an arithmetic number, because the mean of its divisors is an integer number (4886406).

Almost surely, 2^73137072 is an apocalyptic number.

It is an amenable number.

73137072 is an abundant number, since it is smaller than the sum of its proper divisors (122319168).

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

73137072 is a wasteful number, since it uses less digits than its factorization.

73137072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52581 (or 52575 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 30.

The square root of 73137072 is about 8552.0215154079. The cubic root of 73137072 is about 418.1953407325.

The spelling of 73137072 in words is "seventy-three million, one hundred thirty-seven thousand, seventy-two".