64502232 has 16 divisors (see below), whose sum is σ = 161255640. Its totient is φ = 21500736.

The previous prime is 64502213. The next prime is 64502239. The reversal of 64502232 is 23220546.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2687593 = 64502232 / (6 + 4 + 5 + 0 + 2 + 2 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64502239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343773 + ... + 1343820.

Almost surely, 2^64502232 is an apocalyptic number.

It is an amenable number.

64502232 is an abundant number, since it is smaller than the sum of its proper divisors (96753408).

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

64502232 is a wasteful number, since it uses less digits than its factorization.

64502232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687602 (or 2687598 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 64502232 is about 8031.3281591528. The cubic root of 64502232 is about 401.0435915903.

Adding to 64502232 its reverse (23220546), we get a palindrome (87722778).

The spelling of 64502232 in words is "sixty-four million, five hundred two thousand, two hundred thirty-two".