64233568 has 48 divisors (see below), whose sum is σ = 145635840. Its totient is φ = 27317376.

The previous prime is 64233563. The next prime is 64233571. The reversal of 64233568 is 86533246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64233563) 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, 30105 + ... + 32167.

It is an arithmetic number, because the mean of its divisors is an integer number (3034080).

Almost surely, 2^64233568 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 64233568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72817920).

64233568 is an abundant number, since it is smaller than the sum of its proper divisors (81402272).

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

64233568 is a wasteful number, since it uses less digits than its factorization.

64233568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219 (or 2211 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 64233568 is about 8014.5847053980. The cubic root of 64233568 is about 400.4860092484.

The spelling of 64233568 in words is "sixty-four million, two hundred thirty-three thousand, five hundred sixty-eight".