64413328 has 20 divisors (see below), whose sum is σ = 142629760. Its totient is φ = 27605664.

The previous prime is 64413313. The next prime is 64413341. The reversal of 64413328 is 82331446.

It is a self number, because there is not a number n which added to its sum of digits gives 64413328.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287448 + ... + 287671.

It is an arithmetic number, because the mean of its divisors is an integer number (7131488).

Almost surely, 2^64413328 is an apocalyptic number.

It is an amenable number.

64413328 is an abundant number, since it is smaller than the sum of its proper divisors (78216432).

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

64413328 is a wasteful number, since it uses less digits than its factorization.

64413328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575134 (or 575128 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 64413328 is about 8025.7914251493. The cubic root of 64413328 is about 400.8592528895.

The spelling of 64413328 in words is "sixty-four million, four hundred thirteen thousand, three hundred twenty-eight".