64107320 has 32 divisors (see below), whose sum is σ = 146279520. Its totient is φ = 25280640.

The previous prime is 64107319. The next prime is 64107331. The reversal of 64107320 is 2370146.

64107320 = 915² + 916² + ... + 985².

64107320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8447 + ... + 14126.

It is an arithmetic number, because the mean of its divisors is an integer number (4571235).

Almost surely, 2^64107320 is an apocalyptic number.

It is an amenable number.

64107320 is an abundant number, since it is smaller than the sum of its proper divisors (82172200).

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

64107320 is a wasteful number, since it uses less digits than its factorization.

64107320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22655 (or 22651 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 64107320 is about 8006.7046904454. The cubic root of 64107320 is about 400.2234584759.

Adding to 64107320 its reverse (2370146), we get a palindrome (66477466).

The spelling of 64107320 in words is "sixty-four million, one hundred seven thousand, three hundred twenty".