64585000 has 40 divisors (see below), whose sum is σ = 151334370. Its totient is φ = 25832000.

The previous prime is 64584983. The next prime is 64585013. The reversal of 64585000 is 58546.

It can be written as a sum of positive squares in 5 ways, for example, as 1127844 + 63457156 = 1062^2 + 7966^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 64585000.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1459 + ... + 11458.

Almost surely, 2^64585000 is an apocalyptic number.

It is an amenable number.

64585000 is an abundant number, since it is smaller than the sum of its proper divisors (86749370).

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

64585000 is a wasteful number, since it uses less digits than its factorization.

64585000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12943 (or 12924 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 64585000 is about 8036.4793286613. The cubic root of 64585000 is about 401.2150553640.

The spelling of 64585000 in words is "sixty-four million, five hundred eighty-five thousand".