82706004 has 36 divisors (see below), whose sum is σ = 209532960. Its totient is φ = 27506640.

The previous prime is 82705967. The next prime is 82706021. The reversal of 82706004 is 40060728.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15337 + ... + 20015.

It is an arithmetic number, because the mean of its divisors is an integer number (5820360).

Almost surely, 2^82706004 is an apocalyptic number.

It is an amenable number.

82706004 is an abundant number, since it is smaller than the sum of its proper divisors (126826956).

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

82706004 is a wasteful number, since it uses less digits than its factorization.

82706004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180 (or 5175 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 82706004 is about 9094.2841389523. The cubic root of 82706004 is about 435.6914251811.

The spelling of 82706004 in words is "eighty-two million, seven hundred six thousand, four".