82439672 has 16 divisors (see below), whose sum is σ = 176656560. Its totient is φ = 35331264.

The previous prime is 82439657. The next prime is 82439699. The reversal of 82439672 is 27693428.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 736013 + ... + 736124.

It is an arithmetic number, because the mean of its divisors is an integer number (11041035).

Almost surely, 2^82439672 is an apocalyptic number.

It is an amenable number.

82439672 is an abundant number, since it is smaller than the sum of its proper divisors (94216888).

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

82439672 is a wasteful number, since it uses less digits than its factorization.

82439672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472150 (or 1472146 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 82439672 is about 9079.6295078599. The cubic root of 82439672 is about 435.2232473660.

The spelling of 82439672 in words is "eighty-two million, four hundred thirty-nine thousand, six hundred seventy-two".