72445675 has 6 divisors (see below), whose sum is σ = 89832668. Its totient is φ = 57956520.

The previous prime is 72445661. The next prime is 72445691. The reversal of 72445675 is 57654427.

It is not a de Polignac number, because 72445675 - 2⁵ = 72445643 is a prime.

It is a Duffinian number.

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, 1448889 + ... + 1448938.

Almost surely, 2^72445675 is an apocalyptic number.

72445675 is a deficient number, since it is larger than the sum of its proper divisors (17386993).

72445675 is a wasteful number, since it uses less digits than its factorization.

72445675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897837 (or 2897832 counting only the distinct ones).

The product of its digits is 235200, while the sum is 40.

The square root of 72445675 is about 8511.5025113079. The cubic root of 72445675 is about 416.8733712166.

The spelling of 72445675 in words is "seventy-two million, four hundred forty-five thousand, six hundred seventy-five".