206704743 has 16 divisors (see below), whose sum is σ = 331557120. Its totient is φ = 111900096.

The previous prime is 206704727. The next prime is 206704753. The reversal of 206704743 is 347407602.

It is not a de Polignac number, because 206704743 - 2⁴ = 206704727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206704753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258630 + ... + 259427.

It is an arithmetic number, because the mean of its divisors is an integer number (20722320).

Almost surely, 2^206704743 is an apocalyptic number.

206704743 is a deficient number, since it is larger than the sum of its proper divisors (124852377).

206704743 is a wasteful number, since it uses less digits than its factorization.

206704743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518086.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 206704743 is about 14377.2300183311. The cubic root of 206704743 is about 591.2667821342.

The spelling of 206704743 in words is "two hundred six million, seven hundred four thousand, seven hundred forty-three".