82057604 has 6 divisors (see below), whose sum is σ = 143600814. Its totient is φ = 41028800.

The previous prime is 82057597. The next prime is 82057607. The reversal of 82057604 is 40675028.

It can be written as a sum of positive squares in only one way, i.e., 66455104 + 15602500 = 8152^2 + 3950^2 .

It is not an unprimeable number, because it can be changed into a prime (82057607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10257197 + ... + 10257204.

It is an arithmetic number, because the mean of its divisors is an integer number (23933469).

Almost surely, 2^82057604 is an apocalyptic number.

It is an amenable number.

82057604 is a deficient number, since it is larger than the sum of its proper divisors (61543210).

82057604 is a wasteful number, since it uses less digits than its factorization.

82057604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20514405 (or 20514403 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 82057604 is about 9058.5652285558. The cubic root of 82057604 is about 434.5498562732.

The spelling of 82057604 in words is "eighty-two million, fifty-seven thousand, six hundred four".