64010685 has 16 divisors (see below), whose sum is σ = 105949440. Its totient is φ = 32961600.

The previous prime is 64010659. The next prime is 64010699. The reversal of 64010685 is 58601046.

It is not a de Polignac number, because 64010685 - 2¹⁰ = 64009661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73141 + ... + 74010.

It is an arithmetic number, because the mean of its divisors is an integer number (6621840).

Almost surely, 2^64010685 is an apocalyptic number.

It is an amenable number.

64010685 is a deficient number, since it is larger than the sum of its proper divisors (41938755).

64010685 is a wasteful number, since it uses less digits than its factorization.

64010685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147188.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 64010685 is about 8000.6677846290. The cubic root of 64010685 is about 400.0222591780.

It can be divided in two parts, 640 and 10685, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 64010685 in words is "sixty-four million, ten thousand, six hundred eighty-five".