65792272 has 80 divisors (see below), whose sum is σ = 159295360. Its totient is φ = 25629696.

The previous prime is 65792203. The next prime is 65792281. The reversal of 65792272 is 27229756.

Its product of digits (105840) is a multiple of the sum of its prime factors (720).

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, 105979 + ... + 106597.

It is an arithmetic number, because the mean of its divisors is an integer number (1991192).

Almost surely, 2^65792272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65792272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79647680).

65792272 is an abundant number, since it is smaller than the sum of its proper divisors (93503088).

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

65792272 is a wasteful number, since it uses less digits than its factorization.

65792272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720 (or 714 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 65792272 is about 8111.2435544742. The cubic root of 65792272 is about 403.6995773281.

It can be divided in two parts, 657 and 92272, that added together give a palindrome (92929).

The spelling of 65792272 in words is "sixty-five million, seven hundred ninety-two thousand, two hundred seventy-two".