72373375 has 32 divisors (see below), whose sum is σ = 98242560. Its totient is φ = 53028000.

The previous prime is 72373361. The next prime is 72373381. The reversal of 72373375 is 57337327.

It is a happy number.

It is not a de Polignac number, because 72373375 - 2²⁵ = 38818943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73134 + ... + 74116.

It is an arithmetic number, because the mean of its divisors is an integer number (3070080).

Almost surely, 2^72373375 is an apocalyptic number.

72373375 is a deficient number, since it is larger than the sum of its proper divisors (25869185).

72373375 is a wasteful number, since it uses less digits than its factorization.

72373375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1038 counting only the distinct ones).

The product of its digits is 92610, while the sum is 37.

The square root of 72373375 is about 8507.2542573970. The cubic root of 72373375 is about 416.7346466861.

The spelling of 72373375 in words is "seventy-two million, three hundred seventy-three thousand, three hundred seventy-five".