83730680 has 32 divisors (see below), whose sum is σ = 205521840. Its totient is φ = 30447360.

The previous prime is 83730677. The next prime is 83730697. The reversal of 83730680 is 8603738.

It is a self number, because there is not a number n which added to its sum of digits gives 83730680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94709 + ... + 95588.

Almost surely, 2^83730680 is an apocalyptic number.

It is an amenable number.

83730680 is an abundant number, since it is smaller than the sum of its proper divisors (121791160).

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

83730680 is a wasteful number, since it uses less digits than its factorization.

83730680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190319 (or 190315 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 83730680 is about 9150.4469836178. The cubic root of 83730680 is about 437.4833604556.

The spelling of 83730680 in words is "eighty-three million, seven hundred thirty thousand, six hundred eighty".