72575986 has 32 divisors (see below), whose sum is σ = 128241792. Its totient is φ = 30157440.

The previous prime is 72575977. The next prime is 72575999. The reversal of 72575986 is 68957527.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130020 + ... + 130576.

It is an arithmetic number, because the mean of its divisors is an integer number (4007556).

Almost surely, 2^72575986 is an apocalyptic number.

72575986 is a deficient number, since it is larger than the sum of its proper divisors (55665806).

72575986 is a wasteful number, since it uses less digits than its factorization.

72575986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834.

The product of its digits is 1058400, while the sum is 49.

The square root of 72575986 is about 8519.1540659857. The cubic root of 72575986 is about 417.1231705652.

The spelling of 72575986 in words is "seventy-two million, five hundred seventy-five thousand, nine hundred eighty-six".