64480875 has 32 divisors (see below), whose sum is σ = 108366336. Its totient is φ = 34047200.

The previous prime is 64480873. The next prime is 64480901. The reversal of 64480875 is 57808446.

It is not a de Polignac number, because 64480875 - 2¹ = 64480873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64480873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39322 + ... + 40928.

It is an arithmetic number, because the mean of its divisors is an integer number (3386448).

Almost surely, 2^64480875 is an apocalyptic number.

64480875 is a deficient number, since it is larger than the sum of its proper divisors (43885461).

64480875 is a wasteful number, since it uses less digits than its factorization.

64480875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732 (or 1722 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 64480875 is about 8029.9984433373. The cubic root of 64480875 is about 400.9993242153. Note that the first 3 decimals are identical.

The spelling of 64480875 in words is "sixty-four million, four hundred eighty thousand, eight hundred seventy-five".