64132475 has 24 divisors (see below), whose sum is σ = 87650640. Its totient is φ = 46160000.

The previous prime is 64132457. The next prime is 64132489. The reversal of 64132475 is 57423146.

It is not a de Polignac number, because 64132475 - 2⁸ = 64132219 is a prime.

It is a super-2 number, since 2×64132475² = 8225948699251250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26621 + ... + 28929.

It is an arithmetic number, because the mean of its divisors is an integer number (3652110).

Almost surely, 2^64132475 is an apocalyptic number.

64132475 is a deficient number, since it is larger than the sum of its proper divisors (23518165).

64132475 is a wasteful number, since it uses less digits than its factorization.

64132475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431 (or 2426 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 64132475 is about 8008.2754073521. The cubic root of 64132475 is about 400.2757993764.

It can be divided in two parts, 6413 and 2475, that added together give a palindrome (8888).

The spelling of 64132475 in words is "sixty-four million, one hundred thirty-two thousand, four hundred seventy-five".