64001704 has 16 divisors (see below), whose sum is σ = 129234420. Its totient is φ = 29539200.

The previous prime is 64001657. The next prime is 64001711. The reversal of 64001704 is 40710046.

It can be written as a sum of positive squares in 2 ways, for example, as 63840100 + 161604 = 7990^2 + 402^2 .

It is a super-2 number, since 2×64001704² = 8192436229807232, which contains 22 as substring.

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, 307597 + ... + 307804.

Almost surely, 2^64001704 is an apocalyptic number.

It is an amenable number.

64001704 is an abundant number, since it is smaller than the sum of its proper divisors (65232716).

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

64001704 is a wasteful number, since it uses less digits than its factorization.

64001704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615420 (or 615416 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 64001704 is about 8000.1064992911. The cubic root of 64001704 is about 400.0035499685.

The spelling of 64001704 in words is "sixty-four million, one thousand, seven hundred four".