675868 has 12 divisors (see below), whose sum is σ = 1245160. Its totient is φ = 320112.

The previous prime is 675863. The next prime is 675877. The reversal of 675868 is 868576.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 675868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4371 + ... + 4522.

2⁶⁷⁵⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

675868 is a deficient number, since it is larger than the sum of its proper divisors (569292).

675868 is a wasteful number, since it uses less digits than its factorization.

675868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8916 (or 8914 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 675868 is about 822.1119145226. Note that the first 3 decimals coincide. The cubic root of 675868 is about 87.7581167428.

The spelling of 675868 in words is "six hundred seventy-five thousand, eight hundred sixty-eight".