83712912 has 40 divisors (see below), whose sum is σ = 216590304. Its totient is φ = 27861504.

The previous prime is 83712911. The next prime is 83712931. The reversal of 83712912 is 21921738.

It is not an unprimeable number, because it can be changed into a prime (83712911) 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, 53128 + ... + 54680.

Almost surely, 2^83712912 is an apocalyptic number.

It is an amenable number.

83712912 is an abundant number, since it is smaller than the sum of its proper divisors (132877392).

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

83712912 is a wasteful number, since it uses less digits than its factorization.

83712912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687 (or 2681 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 83712912 is about 9149.4760505725. The cubic root of 83712912 is about 437.4524130010.

The spelling of 83712912 in words is "eighty-three million, seven hundred twelve thousand, nine hundred twelve".