82972504 has 8 divisors (see below), whose sum is σ = 155573460. Its totient is φ = 41486248.

The previous prime is 82972481. The next prime is 82972511. The reversal of 82972504 is 40527928.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5185774 + ... + 5185789.

Almost surely, 2^82972504 is an apocalyptic number.

It is an amenable number.

82972504 is a deficient number, since it is larger than the sum of its proper divisors (72600956).

82972504 is a wasteful number, since it uses less digits than its factorization.

82972504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10371569 (or 10371565 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 82972504 is about 9108.9244150997. The cubic root of 82972504 is about 436.1588933535.

It can be divided in two parts, 8297 and 2504, that added together give a palindrome (10801).

The spelling of 82972504 in words is "eighty-two million, nine hundred seventy-two thousand, five hundred four".