65928432 has 40 divisors (see below), whose sum is σ = 171891280. Its totient is φ = 21772800.

The previous prime is 65928383. The next prime is 65928433. The reversal of 65928432 is 23482956.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65928433) 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, 1069 + ... + 11532.

It is an arithmetic number, because the mean of its divisors is an integer number (4297282).

Almost surely, 2^65928432 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 65928432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85945640).

65928432 is an abundant number, since it is smaller than the sum of its proper divisors (105962848).

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

65928432 is a wasteful number, since it uses less digits than its factorization.

65928432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12721 (or 12715 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 65928432 is about 8119.6325039992. The cubic root of 65928432 is about 403.9778767744.

The spelling of 65928432 in words is "sixty-five million, nine hundred twenty-eight thousand, four hundred thirty-two".