72744275 has 12 divisors (see below), whose sum is σ = 95509512. Its totient is φ = 54771840.

The previous prime is 72744253. The next prime is 72744283. The reversal of 72744275 is 57244727.

It is not a de Polignac number, because 72744275 - 2⁸ = 72744019 is a prime.

It is a Duffinian 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, 85157 + ... + 86006.

It is an arithmetic number, because the mean of its divisors is an integer number (7959126).

Almost surely, 2^72744275 is an apocalyptic number.

72744275 is a deficient number, since it is larger than the sum of its proper divisors (22765237).

72744275 is a wasteful number, since it uses less digits than its factorization.

72744275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171190 (or 171185 counting only the distinct ones).

The product of its digits is 109760, while the sum is 38.

The square root of 72744275 is about 8529.0254425696. The cubic root of 72744275 is about 417.4453297126.

The spelling of 72744275 in words is "seventy-two million, seven hundred forty-four thousand, two hundred seventy-five".