83730472 has 32 divisors (see below), whose sum is σ = 180446400. Its totient is φ = 35679744.

The previous prime is 83730469. The next prime is 83730481. The reversal of 83730472 is 27403738.

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, 5848 + ... + 14200.

It is an arithmetic number, because the mean of its divisors is an integer number (5638950).

Almost surely, 2^83730472 is an apocalyptic number.

It is an amenable number.

83730472 is an abundant number, since it is smaller than the sum of its proper divisors (96715928).

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

83730472 is a wasteful number, since it uses less digits than its factorization.

83730472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8545 (or 8541 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 83730472 is about 9150.4356180457. The cubic root of 83730472 is about 437.4829981964.

The spelling of 83730472 in words is "eighty-three million, seven hundred thirty thousand, four hundred seventy-two".