72472175 has 24 divisors (see below), whose sum is σ = 95112960. Its totient is φ = 54626400.

The previous prime is 72472129. The next prime is 72472193. The reversal of 72472175 is 57127427.

It is not a de Polignac number, because 72472175 - 2⁶ = 72472111 is a prime.

It is a super-2 number, since 2×72472175² = 10504432298461250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128444 + ... + 129006.

It is an arithmetic number, because the mean of its divisors is an integer number (3963040).

Almost surely, 2^72472175 is an apocalyptic number.

72472175 is a deficient number, since it is larger than the sum of its proper divisors (22640785).

72472175 is a wasteful number, since it uses less digits than its factorization.

72472175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 858 counting only the distinct ones).

The product of its digits is 27440, while the sum is 35.

The square root of 72472175 is about 8513.0590858986. The cubic root of 72472175 is about 416.9241945755.

The spelling of 72472175 in words is "seventy-two million, four hundred seventy-two thousand, one hundred seventy-five".