6875668 has 12 divisors (see below), whose sum is σ = 12447540. Its totient is φ = 3319232.

The previous prime is 6875623. The next prime is 6875717. The reversal of 6875668 is 8665786.

6875668 = 237² + 238² + ... + 323².

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3678724 + 3196944 = 1918^2 + 1788^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29521 + ... + 29752.

It is an arithmetic number, because the mean of its divisors is an integer number (1037295).

Almost surely, 2^6875668 is an apocalyptic number.

It is an amenable number.

6875668 is a deficient number, since it is larger than the sum of its proper divisors (5571872).

6875668 is a wasteful number, since it uses less digits than its factorization.

6875668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59306 (or 59304 counting only the distinct ones).

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

The square root of 6875668 is about 2622.1494999332. The cubic root of 6875668 is about 190.1537813168.

The spelling of 6875668 in words is "six million, eight hundred seventy-five thousand, six hundred sixty-eight".