64789675 has 6 divisors (see below), whose sum is σ = 80339228. Its totient is φ = 51831720.

The previous prime is 64789667. The next prime is 64789687. The reversal of 64789675 is 57698746.

It is a happy number.

It is not a de Polignac number, because 64789675 - 2³ = 64789667 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1295769 + ... + 1295818.

Almost surely, 2^64789675 is an apocalyptic number.

64789675 is a deficient number, since it is larger than the sum of its proper divisors (15549553).

64789675 is a wasteful number, since it uses less digits than its factorization.

64789675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591597 (or 2591592 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The square root of 64789675 is about 8049.2033767324. The cubic root of 64789675 is about 401.6384359063.

The spelling of 64789675 in words is "sixty-four million, seven hundred eighty-nine thousand, six hundred seventy-five".