207668 has 12 divisors (see below), whose sum is σ = 366660. Its totient is φ = 102912.

The previous prime is 207661. The next prime is 207671. The reversal of 207668 is 866702.

207668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29584 + 178084 = 172^2 + 422^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 207668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638 + ... + 906.

It is an arithmetic number, because the mean of its divisors is an integer number (30555).

2²⁰⁷⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

207668 is a deficient number, since it is larger than the sum of its proper divisors (158992).

207668 is a wasteful number, since it uses less digits than its factorization.

207668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 207668 is about 455.7060456040. The cubic root of 207668 is about 59.2183805843.

The spelling of 207668 in words is "two hundred seven thousand, six hundred sixty-eight".