64300900 has 18 divisors (see below), whose sum is σ = 139533170. Its totient is φ = 25720320.

The previous prime is 64300877. The next prime is 64300903. The reversal of 64300900 is 900346.

It can be written as a sum of positive squares in 3 ways, for example, as 2238016 + 62062884 = 1496^2 + 7878^2 .

It is not an unprimeable number, because it can be changed into a prime (64300903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 321405 + ... + 321604.

Almost surely, 2^64300900 is an apocalyptic number.

It is an amenable number.

64300900 is an abundant number, since it is smaller than the sum of its proper divisors (75232270).

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

64300900 is a wasteful number, since it uses less digits than its factorization.

64300900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643023 (or 643016 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 64300900 is about 8018.7841971212. The cubic root of 64300900 is about 400.6258951274.

The spelling of 64300900 in words is "sixty-four million, three hundred thousand, nine hundred".