82575872 has 20 divisors (see below), whose sum is σ = 164991486. Its totient is φ = 41287680.

The previous prime is 82575863. The next prime is 82575887. The reversal of 82575872 is 27857528.

It can be written as a sum of positive squares in only one way, i.e., 74373376 + 8202496 = 8624^2 + 2864^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80129 + ... + 81152.

Almost surely, 2^82575872 is an apocalyptic number.

It is an amenable number.

82575872 is a deficient number, since it is larger than the sum of its proper divisors (82415614).

82575872 is an equidigital number, since it uses as much as digits as its factorization.

82575872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161299 (or 161283 counting only the distinct ones).

The product of its digits is 313600, while the sum is 44.

The square root of 82575872 is about 9087.1267186058. The cubic root of 82575872 is about 435.4627954313.

The spelling of 82575872 in words is "eighty-two million, five hundred seventy-five thousand, eight hundred seventy-two".