6464875 has 8 divisors (see below), whose sum is σ = 8068320. Its totient is φ = 5171800.

The previous prime is 6464873. The next prime is 6464881. The reversal of 6464875 is 5784646.

It is not a de Polignac number, because 6464875 - 2¹ = 6464873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6464873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25735 + ... + 25984.

It is an arithmetic number, because the mean of its divisors is an integer number (1008540).

Almost surely, 2^6464875 is an apocalyptic number.

6464875 is a deficient number, since it is larger than the sum of its proper divisors (1603445).

6464875 is an equidigital number, since it uses as much as digits as its factorization.

6464875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51734 (or 51724 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 6464875 is about 2542.6118461141. The cubic root of 6464875 is about 186.2887852203.

The spelling of 6464875 in words is "six million, four hundred sixty-four thousand, eight hundred seventy-five".