64043232 has 48 divisors (see below), whose sum is σ = 183399552. Its totient is φ = 19406720.

The previous prime is 64043227. The next prime is 64043257. The reversal of 64043232 is 23234046.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29268 + ... + 31379.

It is an arithmetic number, because the mean of its divisors is an integer number (3820824).

Almost surely, 2^64043232 is an apocalyptic number.

It is an amenable number.

64043232 is an abundant number, since it is smaller than the sum of its proper divisors (119356320).

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

64043232 is a wasteful number, since it uses less digits than its factorization.

64043232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60671 (or 60663 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 64043232 is about 8002.7015438538. The cubic root of 64043232 is about 400.0900463943.

Adding to 64043232 its reverse (23234046), we get a palindrome (87277278).

The spelling of 64043232 in words is "sixty-four million, forty-three thousand, two hundred thirty-two".