72568899 has 16 divisors (see below), whose sum is σ = 115780000. Its totient is φ = 44657568.

The previous prime is 72568889. The next prime is 72568919. The reversal of 72568899 is 99886527.

It is a happy number.

72568899 is a `hidden beast` number, since 72 + 568 + 8 + 9 + 9 = 666.

It is not a de Polignac number, because 72568899 - 2⁹ = 72568387 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 (72568889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103024 + ... + 103725.

It is an arithmetic number, because the mean of its divisors is an integer number (7236250).

Almost surely, 2^72568899 is an apocalyptic number.

72568899 is a deficient number, since it is larger than the sum of its proper divisors (43211101).

72568899 is a wasteful number, since it uses less digits than its factorization.

72568899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206771 (or 206765 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 72568899 is about 8518.7381107767. The cubic root of 72568899 is about 417.1095928503.

The spelling of 72568899 in words is "seventy-two million, five hundred sixty-eight thousand, eight hundred ninety-nine".