64468900 has 36 divisors (see below), whose sum is σ = 147264880. Its totient is φ = 24429600.

The previous prime is 64468897. The next prime is 64468907. The reversal of 64468900 is 986446.

It is a self number, because there is not a number n which added to its sum of digits gives 64468900.

It is not an unprimeable number, because it can be changed into a prime (64468907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15066 + ... + 18865.

Almost surely, 2^64468900 is an apocalyptic number.

It is an amenable number.

64468900 is an abundant number, since it is smaller than the sum of its proper divisors (82795980).

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

64468900 is a wasteful number, since it uses less digits than its factorization.

64468900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33964 (or 33957 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 64468900 is about 8029.2527672256. The cubic root of 64468900 is about 400.9744989515.

The spelling of 64468900 in words is "sixty-four million, four hundred sixty-eight thousand, nine hundred".