83572732 has 12 divisors (see below), whose sum is σ = 149012136. Its totient is φ = 40997840.

The previous prime is 83572729. The next prime is 83572747. The reversal of 83572732 is 23727538.

It is a junction number, because it is equal to n+sod(n) for n = 83572691 and 83572700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196894 + ... + 197317.

It is an arithmetic number, because the mean of its divisors is an integer number (12417678).

Almost surely, 2^83572732 is an apocalyptic number.

It is an amenable number.

83572732 is a deficient number, since it is larger than the sum of its proper divisors (65439404).

83572732 is a wasteful number, since it uses less digits than its factorization.

83572732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394268 (or 394266 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 83572732 is about 9141.8122929756. The cubic root of 83572732 is about 437.2081004719.

The spelling of 83572732 in words is "eighty-three million, five hundred seventy-two thousand, seven hundred thirty-two".