72875422 has 16 divisors (see below), whose sum is σ = 112860000. Its totient is φ = 35265888.

The previous prime is 72875401. The next prime is 72875437. The reversal of 72875422 is 22457827.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

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, 12079 + ... + 17077.

It is an arithmetic number, because the mean of its divisors is an integer number (7053750).

Almost surely, 2^72875422 is an apocalyptic number.

72875422 is a deficient number, since it is larger than the sum of its proper divisors (39984578).

72875422 is a wasteful number, since it uses less digits than its factorization.

72875422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5235.

The product of its digits is 62720, while the sum is 37.

The square root of 72875422 is about 8536.7102562990. The cubic root of 72875422 is about 417.6960428468.

The spelling of 72875422 in words is "seventy-two million, eight hundred seventy-five thousand, four hundred twenty-two".