64387675 has 24 divisors (see below), whose sum is σ = 91690560. Its totient is φ = 44359200.

The previous prime is 64387663. The next prime is 64387709. The reversal of 64387675 is 57678346.

It is not a de Polignac number, because 64387675 - 2¹¹ = 64385627 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 937 + ... + 11386.

It is an arithmetic number, because the mean of its divisors is an integer number (3820440).

Almost surely, 2^64387675 is an apocalyptic number.

64387675 is a deficient number, since it is larger than the sum of its proper divisors (27302885).

64387675 is a wasteful number, since it uses less digits than its factorization.

64387675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12363 (or 12358 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The square root of 64387675 is about 8024.1931058518. The cubic root of 64387675 is about 400.8060309443.

The spelling of 64387675 in words is "sixty-four million, three hundred eighty-seven thousand, six hundred seventy-five".