65573112 has 64 divisors (see below), whose sum is σ = 180144000. Its totient is φ = 19725440.

The previous prime is 65573059. The next prime is 65573113. The reversal of 65573112 is 21137556.

65573112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 65573112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65573113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38503 + ... + 40169.

It is an arithmetic number, because the mean of its divisors is an integer number (2814750).

Almost surely, 2^65573112 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 65573112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90072000).

65573112 is an abundant number, since it is smaller than the sum of its proper divisors (114570888).

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

65573112 is a wasteful number, since it uses less digits than its factorization.

65573112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836 (or 1832 counting only the distinct ones).

The product of its digits is 6300, while the sum is 30.

The square root of 65573112 is about 8097.7226428175. The cubic root of 65573112 is about 403.2508254303.

Subtracting from 65573112 its reverse (21137556), we obtain a square (44435556 = 6666²).

It can be divided in two parts, 6557 and 3112, that added together give a palindrome (9669).

The spelling of 65573112 in words is "sixty-five million, five hundred seventy-three thousand, one hundred twelve".