206673 has 4 divisors (see below), whose sum is σ = 275568. Its totient is φ = 137780.

The previous prime is 206651. The next prime is 206699. The reversal of 206673 is 376602.

206673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 206673 - 2⁵ = 206641 is a prime.

It is a D-number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (206603) 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, 34443 + ... + 34448.

It is an arithmetic number, because the mean of its divisors is an integer number (68892).

2²⁰⁶⁶⁷³ is an apocalyptic number.

It is an amenable number.

206673 is a deficient number, since it is larger than the sum of its proper divisors (68895).

206673 is an equidigital number, since it uses as much as digits as its factorization.

206673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68894.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 206673 is about 454.6130222508. The cubic root of 206673 is about 59.1236514255.

It can be divided in two parts, 20667 and 3, that multiplied together give a square (62001 = 249²).

The spelling of 206673 in words is "two hundred six thousand, six hundred seventy-three".