675668 has 24 divisors (see below), whose sum is σ = 1377600. Its totient is φ = 283968.

The previous prime is 675643. The next prime is 675713. The reversal of 675668 is 866576.

675668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

675668 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1448 + ... + 1856.

It is an arithmetic number, because the mean of its divisors is an integer number (57400).

2⁶⁷⁵⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

675668 is an abundant number, since it is smaller than the sum of its proper divisors (701932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

675668 is a wasteful number, since it uses less digits than its factorization.

675668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 477 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 675668 is about 821.9902675823. The cubic root of 675668 is about 87.7494595519.

It can be divided in two parts, 67 and 5668, that multiplied together give a triangular number (379756 = T₈₇₁).

The spelling of 675668 in words is "six hundred seventy-five thousand, six hundred sixty-eight".