72568575 has 24 divisors (see below), whose sum is σ = 133312400. Its totient is φ = 38702880.

The previous prime is 72568567. The next prime is 72568583. The reversal of 72568575 is 57586527.

72568575 is a `hidden beast` number, since 72 + 5 + 6 + 8 + 575 = 666.

It is an interprime number because it is at equal distance from previous prime (72568567) and next prime (72568583).

It is not a de Polignac number, because 72568575 - 2³ = 72568567 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 72568575.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53080 + ... + 54429.

Almost surely, 2^72568575 is an apocalyptic number.

72568575 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

72568575 is a deficient number, since it is larger than the sum of its proper divisors (60743825).

72568575 is a wasteful number, since it uses less digits than its factorization.

72568575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107528 (or 107517 counting only the distinct ones).

The product of its digits is 588000, while the sum is 45.

The square root of 72568575 is about 8518.7190938544. The cubic root of 72568575 is about 417.1089720898.

The spelling of 72568575 in words is "seventy-two million, five hundred sixty-eight thousand, five hundred seventy-five".