64320204 has 48 divisors (see below), whose sum is σ = 163235072. Its totient is φ = 19593792.

The previous prime is 64320203. The next prime is 64320209. The reversal of 64320204 is 40202346.

It is not an unprimeable number, because it can be changed into a prime (64320203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14067 + ... + 18069.

Almost surely, 2^64320204 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 64320204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81617536).

64320204 is an abundant number, since it is smaller than the sum of its proper divisors (98914868).

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

64320204 is a wasteful number, since it uses less digits than its factorization.

64320204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126 (or 4124 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 64320204 is about 8019.9877805393. The cubic root of 64320204 is about 400.6659822205.

The spelling of 64320204 in words is "sixty-four million, three hundred twenty thousand, two hundred four".