64357475 has 24 divisors (see below), whose sum is σ = 98222880. Its totient is φ = 40734720.

The previous prime is 64357471. The next prime is 64357477. The reversal of 64357475 is 57475346.

It is not a de Polignac number, because 64357475 - 2² = 64357471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64357471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11870 + ... + 16419.

It is an arithmetic number, because the mean of its divisors is an integer number (4092620).

Almost surely, 2^64357475 is an apocalyptic number.

64357475 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

64357475 is a deficient number, since it is larger than the sum of its proper divisors (33865405).

64357475 is a wasteful number, since it uses less digits than its factorization.

64357475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28319 (or 28314 counting only the distinct ones).

The product of its digits is 352800, while the sum is 41.

The square root of 64357475 is about 8022.3110759930. The cubic root of 64357475 is about 400.7433572775.

The spelling of 64357475 in words is "sixty-four million, three hundred fifty-seven thousand, four hundred seventy-five".