64368832 has 28 divisors (see below), whose sum is σ = 139345416. Its totient is φ = 29258240.

The previous prime is 64368809. The next prime is 64368839. The reversal of 64368832 is 23886346.

It is not an unprimeable number, because it can be changed into a prime (64368839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45013 + ... + 46420.

It is an arithmetic number, because the mean of its divisors is an integer number (4976622).

Almost surely, 2^64368832 is an apocalyptic number.

It is an amenable number.

64368832 is an abundant number, since it is smaller than the sum of its proper divisors (74976584).

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

64368832 is a wasteful number, since it uses less digits than its factorization.

64368832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91456 (or 91446 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 64368832 is about 8023.0188831885. The cubic root of 64368832 is about 400.7669286115.

The spelling of 64368832 in words is "sixty-four million, three hundred sixty-eight thousand, eight hundred thirty-two".