82405704 has 32 divisors (see below), whose sum is σ = 213120000. Its totient is φ = 26521152.

The previous prime is 82405703. The next prime is 82405709. The reversal of 82405704 is 40750428.

It is not an unprimeable number, because it can be changed into a prime (82405703) 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, 58504 + ... + 59895.

It is an arithmetic number, because the mean of its divisors is an integer number (6660000).

Almost surely, 2^82405704 is an apocalyptic number.

It is an amenable number.

82405704 is an abundant number, since it is smaller than the sum of its proper divisors (130714296).

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

82405704 is a wasteful number, since it uses less digits than its factorization.

82405704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118437 (or 118433 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 82405704 is about 9077.7587542300. The cubic root of 82405704 is about 435.1634634705.

The spelling of 82405704 in words is "eighty-two million, four hundred five thousand, seven hundred four".