72500375 has 16 divisors (see below), whose sum is σ = 90723360. Its totient is φ = 57844800.

The previous prime is 72500357. The next prime is 72500387. The reversal of 72500375 is 57300527.

It is not a de Polignac number, because 72500375 - 2²⁴ = 55723159 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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76907 + ... + 77843.

It is an arithmetic number, because the mean of its divisors is an integer number (5670210).

Almost surely, 2^72500375 is an apocalyptic number.

72500375 is a deficient number, since it is larger than the sum of its proper divisors (18222985).

72500375 is an equidigital number, since it uses as much as digits as its factorization.

72500375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 72500375 is about 8514.7152036930. The cubic root of 72500375 is about 416.9782646957.

The spelling of 72500375 in words is "seventy-two million, five hundred thousand, three hundred seventy-five".