64235232 has 72 divisors (see below), whose sum is σ = 188992440. Its totient is φ = 20670720.

The previous prime is 64235209. The next prime is 64235267. The reversal of 64235232 is 23253246.

64235232 is a `hidden beast` number, since 6 + 423 + 5 + 232 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 64235196 and 64235205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4507 + ... + 12197.

It is an arithmetic number, because the mean of its divisors is an integer number (2624895).

Almost surely, 2^64235232 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 64235232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94496220).

64235232 is an abundant number, since it is smaller than the sum of its proper divisors (124757208).

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

64235232 is a wasteful number, since it uses less digits than its factorization.

64235232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7736 (or 7725 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 64235232 is about 8014.6885154696. The cubic root of 64235232 is about 400.4894674763.

Adding to 64235232 its reverse (23253246), we get a palindrome (87488478).

The spelling of 64235232 in words is "sixty-four million, two hundred thirty-five thousand, two hundred thirty-two".