82712684 has 48 divisors (see below), whose sum is σ = 157852800. Its totient is φ = 37779456.

The previous prime is 82712683. The next prime is 82712689. The reversal of 82712684 is 48621728.

It is not an unprimeable number, because it can be changed into a prime (82712683) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 478022 + ... + 478194.

It is an arithmetic number, because the mean of its divisors is an integer number (3288600).

Almost surely, 2^82712684 is an apocalyptic number.

It is an amenable number.

82712684 is a deficient number, since it is larger than the sum of its proper divisors (75140116).

82712684 is a wasteful number, since it uses less digits than its factorization.

82712684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 360 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 82712684 is about 9094.6513951883. The cubic root of 82712684 is about 435.7031548429.

The spelling of 82712684 in words is "eighty-two million, seven hundred twelve thousand, six hundred eighty-four".