72885579 has 32 divisors (see below), whose sum is σ = 113218560. Its totient is φ = 41298432.

The previous prime is 72885521. The next prime is 72885583. The reversal of 72885579 is 97558827.

It is not a de Polignac number, because 72885579 - 2⁷ = 72885451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (72885599) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 29992 + ... + 32330.

It is an arithmetic number, because the mean of its divisors is an integer number (3538080).

Almost surely, 2^72885579 is an apocalyptic number.

72885579 is a deficient number, since it is larger than the sum of its proper divisors (40332981).

72885579 is a wasteful number, since it uses less digits than its factorization.

72885579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419.

The product of its digits is 1411200, while the sum is 51.

The square root of 72885579 is about 8537.3051368684. The cubic root of 72885579 is about 417.7154473845.

The spelling of 72885579 in words is "seventy-two million, eight hundred eighty-five thousand, five hundred seventy-nine".