6668875 has 16 divisors (see below), whose sum is σ = 8596224. Its totient is φ = 5160000.

The previous prime is 6668861. The next prime is 6668881. The reversal of 6668875 is 5788666.

It is a happy number.

It is not a de Polignac number, because 6668875 - 2⁷ = 6668747 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3015 + ... + 4735.

It is an arithmetic number, because the mean of its divisors is an integer number (537264).

Almost surely, 2^6668875 is an apocalyptic number.

6668875 is a deficient number, since it is larger than the sum of its proper divisors (1927349).

6668875 is a wasteful number, since it uses less digits than its factorization.

6668875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767 (or 1757 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 6668875 is about 2582.4165039745. The cubic root of 6668875 is about 188.2279846943.

The spelling of 6668875 in words is "six million, six hundred sixty-eight thousand, eight hundred seventy-five".