206700873 has 4 divisors (see below), whose sum is σ = 275601168. Its totient is φ = 137800580.

The previous prime is 206700859. The next prime is 206700883. The reversal of 206700873 is 378007602.

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 206700873 - 2²⁰ = 205652297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206700853) 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, 34450143 + ... + 34450148.

It is an arithmetic number, because the mean of its divisors is an integer number (68900292).

Almost surely, 2^206700873 is an apocalyptic number.

It is an amenable number.

206700873 is a deficient number, since it is larger than the sum of its proper divisors (68900295).

206700873 is an equidigital number, since it uses as much as digits as its factorization.

206700873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68900294.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 206700873 is about 14377.0954298843. The cubic root of 206700873 is about 591.2630921419.

The spelling of 206700873 in words is "two hundred six million, seven hundred thousand, eight hundred seventy-three".