83797572 has 24 divisors (see below), whose sum is σ = 196231392. Its totient is φ = 27832000.

The previous prime is 83797561. The next prime is 83797577. The reversal of 83797572 is 27579738.

It is not an unprimeable number, because it can be changed into a prime (83797577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9054 + ... + 15797.

It is an arithmetic number, because the mean of its divisors is an integer number (8176308).

Almost surely, 2^83797572 is an apocalyptic number.

It is an amenable number.

83797572 is an abundant number, since it is smaller than the sum of its proper divisors (112433820).

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

83797572 is a wasteful number, since it uses less digits than its factorization.

83797572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25139 (or 25137 counting only the distinct ones).

The product of its digits is 740880, while the sum is 48.

The square root of 83797572 is about 9154.1013758861. The cubic root of 83797572 is about 437.5998304975.

It can be divided in two parts, 8379 and 7572, that added together give a palindrome (15951).

The spelling of 83797572 in words is "eighty-three million, seven hundred ninety-seven thousand, five hundred seventy-two".