6865875 has 48 divisors (see below), whose sum is σ = 13141440. Its totient is φ = 3436800.

The previous prime is 6865867. The next prime is 6865907. The reversal of 6865875 is 5785686.

6865875 is a `hidden beast` number, since 68 + 6 + 587 + 5 = 666.

6865875 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6865875 - 2³ = 6865867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Its product of digits (403200) is a multiple of the sum of its prime divisors (384).

It is a self number, because there is not a number n which added to its sum of digits gives 6865875.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18946 + ... + 19304.

It is an arithmetic number, because the mean of its divisors is an integer number (273780).

Almost surely, 2^6865875 is an apocalyptic number.

6865875 is a deficient number, since it is larger than the sum of its proper divisors (6275565).

6865875 is a wasteful number, since it uses less digits than its factorization.

6865875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 384 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 6865875 is about 2620.2814734299. The cubic root of 6865875 is about 190.0634598732.

It can be divided in two parts, 686 and 5875, that added together give a 8-th power (6561 = 3⁸).

The spelling of 6865875 in words is "six million, eight hundred sixty-five thousand, eight hundred seventy-five".