64875 has 16 divisors (see below), whose sum is σ = 108576. Its totient is φ = 34400.

The previous prime is 64871. The next prime is 64877. The reversal of 64875 is 57846.

It is a happy number.

It is not a de Polignac number, because 64875 - 2² = 64871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289 + ... + 461.

It is an arithmetic number, because the mean of its divisors is an integer number (6786).

2⁶⁴⁸⁷⁵ is an apocalyptic number.

64875 is a deficient number, since it is larger than the sum of its proper divisors (43701).

64875 is a wasteful number, since it uses less digits than its factorization.

64875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 181 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 64875 is about 254.7057125390. The cubic root of 64875 is about 40.1814671634.

It can be divided in two parts, 64 and 875, that added together give a palindrome (939).

The spelling of 64875 in words is "sixty-four thousand, eight hundred seventy-five".