72500575 has 24 divisors (see below), whose sum is σ = 105529952. Its totient is φ = 48366720.

The previous prime is 72500573. The next prime is 72500579. The reversal of 72500575 is 57500527.

It is not a de Polignac number, because 72500575 - 2¹ = 72500573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72500573) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 877 + ... + 12073.

Almost surely, 2^72500575 is an apocalyptic number.

72500575 is a deficient number, since it is larger than the sum of its proper divisors (33029377).

72500575 is a wasteful number, since it uses less digits than its factorization.

72500575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11251 (or 11246 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 31.

The square root of 72500575 is about 8514.7269480589. The cubic root of 72500575 is about 416.9786481216.

The spelling of 72500575 in words is "seventy-two million, five hundred thousand, five hundred seventy-five".