83572940 has 24 divisors (see below), whose sum is σ = 191458512. Its totient is φ = 30390080.

The previous prime is 83572933. The next prime is 83572981. The reversal of 83572940 is 4927538.

It is a junction number, because it is equal to n+sod(n) for n = 83572894 and 83572903.

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, 189719 + ... + 190158.

It is an arithmetic number, because the mean of its divisors is an integer number (7977438).

Almost surely, 2^83572940 is an apocalyptic number.

It is an amenable number.

83572940 is an abundant number, since it is smaller than the sum of its proper divisors (107885572).

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

83572940 is a wasteful number, since it uses less digits than its factorization.

83572940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379897 (or 379895 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 83572940 is about 9141.8236692686. The cubic root of 83572940 is about 437.2084631868.

The spelling of 83572940 in words is "eighty-three million, five hundred seventy-two thousand, nine hundred forty".