64323275 has 12 divisors (see below), whose sum is σ = 81114600. Its totient is φ = 50585280.

The previous prime is 64323263. The next prime is 64323289. The reversal of 64323275 is 57232346.

It is a de Polignac number, because none of the positive numbers 2^k-64323275 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20330 + ... + 23279.

It is an arithmetic number, because the mean of its divisors is an integer number (6759550).

Almost surely, 2^64323275 is an apocalyptic number.

64323275 is a deficient number, since it is larger than the sum of its proper divisors (16791325).

64323275 is a wasteful number, since it uses less digits than its factorization.

64323275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43678 (or 43673 counting only the distinct ones).

The product of its digits is 30240, while the sum is 32.

The square root of 64323275 is about 8020.1792373986. The cubic root of 64323275 is about 400.6723587843.

The spelling of 64323275 in words is "sixty-four million, three hundred twenty-three thousand, two hundred seventy-five".