72558575 has 12 divisors (see below), whose sum is σ = 90801480. Its totient is φ = 57512160.

The previous prime is 72558559. The next prime is 72558611. The reversal of 72558575 is 57585527.

It is not a de Polignac number, because 72558575 - 2⁴ = 72558559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10589 + ... + 16038.

It is an arithmetic number, because the mean of its divisors is an integer number (7566790).

Almost surely, 2^72558575 is an apocalyptic number.

72558575 is a deficient number, since it is larger than the sum of its proper divisors (18242905).

72558575 is a wasteful number, since it uses less digits than its factorization.

72558575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26746 (or 26741 counting only the distinct ones).

The product of its digits is 490000, while the sum is 44.

The square root of 72558575 is about 8518.1321309311. The cubic root of 72558575 is about 417.0898119078.

The spelling of 72558575 in words is "seventy-two million, five hundred fifty-eight thousand, five hundred seventy-five".