83566372 has 48 divisors (see below), whose sum is σ = 155675520. Its totient is φ = 39207168.

The previous prime is 83566349. The next prime is 83566391. The reversal of 83566372 is 27366538.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 811273 + ... + 811375.

It is an arithmetic number, because the mean of its divisors is an integer number (3243240).

Almost surely, 2^83566372 is an apocalyptic number.

It is an amenable number.

83566372 is a deficient number, since it is larger than the sum of its proper divisors (72109148).

83566372 is a wasteful number, since it uses less digits than its factorization.

83566372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 290 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 83566372 is about 9141.4644341046. The cubic root of 83566372 is about 437.1970094777.

It can be divided in two parts, 83566 and 372, that added together give a palindrome (83938).

The spelling of 83566372 in words is "eighty-three million, five hundred sixty-six thousand, three hundred seventy-two".