64888832 has 42 divisors (see below), whose sum is σ = 131244213. Its totient is φ = 32079872.

The previous prime is 64888823. The next prime is 64888853. The reversal of 64888832 is 23888846.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 58003456 + 6885376 = 7616^2 + 2624^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5696.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 729044 + ... + 729132.

Almost surely, 2^64888832 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 64888832

64888832 is an abundant number, since it is smaller than the sum of its proper divisors (66355381).

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

64888832 is an frugal number, since it uses more digits than its factorization.

64888832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 91 counting only the distinct ones).

The product of its digits is 589824, while the sum is 47.

The square root of 64888832 is about 8055.3604512771. The cubic root of 64888832 is about 401.8432265763.

The spelling of 64888832 in words is "sixty-four million, eight hundred eighty-eight thousand, eight hundred thirty-two".