64329044 has 24 divisors (see below), whose sum is σ = 121507848. Its totient is φ = 29623680.

The previous prime is 64329043. The next prime is 64329073. The reversal of 64329044 is 44092346.

It can be written as a sum of positive squares in 4 ways, for example, as 136900 + 64192144 = 370^2 + 8012^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 64329044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64329043) 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, 27854 + ... + 30074.

It is an arithmetic number, because the mean of its divisors is an integer number (5062827).

Almost surely, 2^64329044 is an apocalyptic number.

It is an amenable number.

64329044 is a deficient number, since it is larger than the sum of its proper divisors (57178804).

64329044 is a wasteful number, since it uses less digits than its factorization.

64329044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795 (or 2793 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 64329044 is about 8020.5388846386. The cubic root of 64329044 is about 400.6843368733.

The spelling of 64329044 in words is "sixty-four million, three hundred twenty-nine thousand, forty-four".