82572256 has 24 divisors (see below), whose sum is σ = 175069944. Its totient is φ = 38110080.

The previous prime is 82572239. The next prime is 82572257. The reversal of 82572256 is 65227528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82572257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98830 + ... + 99661.

It is an arithmetic number, because the mean of its divisors is an integer number (7294581).

Almost surely, 2^82572256 is an apocalyptic number.

It is an amenable number.

82572256 is an abundant number, since it is smaller than the sum of its proper divisors (92497688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82572256 is a wasteful number, since it uses less digits than its factorization.

82572256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198514 (or 198506 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 82572256 is about 9086.9277536470. The cubic root of 82572256 is about 435.4564390288.

It can be divided in two parts, 82572 and 256, that added together give a palindrome (82828).

The spelling of 82572256 in words is "eighty-two million, five hundred seventy-two thousand, two hundred fifty-six".