65732832 has 72 divisors (see below), whose sum is σ = 203931000. Its totient is φ = 19918080.

The previous prime is 65732809. The next prime is 65732833. The reversal of 65732832 is 23823756.

65732832 is a `hidden beast` number, since 6 + 573 + 2 + 83 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65732833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7207 + ... + 13542.

It is an arithmetic number, because the mean of its divisors is an integer number (2832375).

Almost surely, 2^65732832 is an apocalyptic number.

It is an amenable number.

65732832 is an abundant number, since it is smaller than the sum of its proper divisors (138198168).

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

65732832 is a wasteful number, since it uses less digits than its factorization.

65732832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20776 (or 20765 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 65732832 is about 8107.5786767690. The cubic root of 65732832 is about 403.5779666275.

It can be divided in two parts, 65732 and 832, that added together give a square (66564 = 258²).

The spelling of 65732832 in words is "sixty-five million, seven hundred thirty-two thousand, eight hundred thirty-two".