64323900 has 54 divisors (see below), whose sum is σ = 201622512. Its totient is φ = 17152800.

The previous prime is 64323899. The next prime is 64323907. The reversal of 64323900 is 932346.

64323900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64323900² = 8275128222420000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64323907) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 34836 + ... + 36635.

Almost surely, 2^64323900 is an apocalyptic number.

64323900 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64323900 is an abundant number, since it is smaller than the sum of its proper divisors (137298612).

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

64323900 is a wasteful number, since it uses less digits than its factorization.

64323900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71491 (or 71481 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 64323900 is about 8020.2182015205. The cubic root of 64323900 is about 400.6736564971.

The spelling of 64323900 in words is "sixty-four million, three hundred twenty-three thousand, nine hundred".