82506604 has 12 divisors (see below), whose sum is σ = 144925200. Its totient is φ = 41099408.

The previous prime is 82506601. The next prime is 82506617. The reversal of 82506604 is 40660528.

It is a super-2 number, since 2×82506604² = 13614679407225632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82506601) 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, 37264 + ... + 39415.

It is an arithmetic number, because the mean of its divisors is an integer number (12077100).

Almost surely, 2^82506604 is an apocalyptic number.

It is an amenable number.

82506604 is a deficient number, since it is larger than the sum of its proper divisors (62418596).

82506604 is a wasteful number, since it uses less digits than its factorization.

82506604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76952 (or 76950 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 82506604 is about 9083.3145932528. The cubic root of 82506604 is about 435.3410000680.

The spelling of 82506604 in words is "eighty-two million, five hundred six thousand, six hundred four".