82712604 has 24 divisors (see below), whose sum is σ = 207842320. Its totient is φ = 25449984.

The previous prime is 82712603. The next prime is 82712629. The reversal of 82712604 is 40621728.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82712603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264949 + ... + 265260.

Almost surely, 2^82712604 is an apocalyptic number.

It is an amenable number.

82712604 is an abundant number, since it is smaller than the sum of its proper divisors (125129716).

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

82712604 is a wasteful number, since it uses less digits than its factorization.

82712604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530229 (or 530227 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 82712604 is about 9094.6469969977. The cubic root of 82712604 is about 435.7030143717.

It can be divided in two parts, 827 and 12604, that added together give a palindrome (13431).

The spelling of 82712604 in words is "eighty-two million, seven hundred twelve thousand, six hundred four".