82573472 has 12 divisors (see below), whose sum is σ = 162566586. Its totient is φ = 41286720.

The previous prime is 82573453. The next prime is 82573489. The reversal of 82573472 is 27437528.

It can be written as a sum of positive squares in only one way, i.e., 54228496 + 28344976 = 7364^2 + 5324^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290179 + ... + 1290242.

Almost surely, 2^82573472 is an apocalyptic number.

It is an amenable number.

82573472 is a deficient number, since it is larger than the sum of its proper divisors (79993114).

82573472 is a wasteful number, since it uses less digits than its factorization.

82573472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580431 (or 2580423 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 82573472 is about 9086.9946627034. The cubic root of 82573472 is about 435.4585766008.

The spelling of 82573472 in words is "eighty-two million, five hundred seventy-three thousand, four hundred seventy-two".