64568275 has 6 divisors (see below), whose sum is σ = 80064692. Its totient is φ = 51654600.

The previous prime is 64568269. The next prime is 64568279. The reversal of 64568275 is 57286546.

It is not a de Polignac number, because 64568275 - 2¹⁵ = 64535507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64568279) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1291341 + ... + 1291390.

Almost surely, 2^64568275 is an apocalyptic number.

64568275 is a deficient number, since it is larger than the sum of its proper divisors (15496417).

64568275 is a wasteful number, since it uses less digits than its factorization.

64568275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582741 (or 2582736 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 64568275 is about 8035.4386936869. The cubic root of 64568275 is about 401.1804193488.

The spelling of 64568275 in words is "sixty-four million, five hundred sixty-eight thousand, two hundred seventy-five".