206500743 has 12 divisors (see below), whose sum is σ = 298524720. Its totient is φ = 137553696.

The previous prime is 206500733. The next prime is 206500747. The reversal of 206500743 is 347005602.

It is a happy number.

206500743 is a `hidden beast` number, since 2 + 0 + 650 + 0 + 7 + 4 + 3 = 666.

It is not a de Polignac number, because 206500743 - 2¹⁰ = 206499719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206500747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2923 + ... + 20531.

It is an arithmetic number, because the mean of its divisors is an integer number (24877060).

Almost surely, 2^206500743 is an apocalyptic number.

206500743 is a deficient number, since it is larger than the sum of its proper divisors (92023977).

206500743 is a wasteful number, since it uses less digits than its factorization.

206500743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18918 (or 18915 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 206500743 is about 14370.1337154530. The cubic root of 206500743 is about 591.0722081029.

The spelling of 206500743 in words is "two hundred six million, five hundred thousand, seven hundred forty-three".