64804512 has 48 divisors (see below), whose sum is σ = 170614080. Its totient is φ = 21537792.

The previous prime is 64804451. The next prime is 64804513. The reversal of 64804512 is 21540846.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 64804512.

It is not an unprimeable number, because it can be changed into a prime (64804513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40789 + ... + 42347.

It is an arithmetic number, because the mean of its divisors is an integer number (3554460).

Almost surely, 2^64804512 is an apocalyptic number.

It is an amenable number.

64804512 is an abundant number, since it is smaller than the sum of its proper divisors (105809568).

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

64804512 is a wasteful number, since it uses less digits than its factorization.

64804512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005 (or 1997 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 64804512 is about 8050.1249679741. The cubic root of 64804512 is about 401.6690923066.

The spelling of 64804512 in words is "sixty-four million, eight hundred four thousand, five hundred twelve".