64586960 has 20 divisors (see below), whose sum is σ = 150164868. Its totient is φ = 25834752.

The previous prime is 64586953. The next prime is 64587001. The reversal of 64586960 is 6968546.

It can be written as a sum of positive squares in 2 ways, for example, as 44408896 + 20178064 = 6664^2 + 4492^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403589 + ... + 403748.

Almost surely, 2^64586960 is an apocalyptic number.

It is an amenable number.

64586960 is an abundant number, since it is smaller than the sum of its proper divisors (85577908).

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

64586960 is a wasteful number, since it uses less digits than its factorization.

64586960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807350 (or 807344 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 64586960 is about 8036.6012716820. The cubic root of 64586960 is about 401.2191139614.

The spelling of 64586960 in words is "sixty-four million, five hundred eighty-six thousand, nine hundred sixty".