206812675 has 12 divisors (see below), whose sum is σ = 257528160. Its totient is φ = 164753120.

The previous prime is 206812673. The next prime is 206812691. The reversal of 206812675 is 576218602.

It is a happy number.

It is not a de Polignac number, because 206812675 - 2¹ = 206812673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206812673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11332 + ... + 23281.

It is an arithmetic number, because the mean of its divisors is an integer number (21460680).

Almost surely, 2^206812675 is an apocalyptic number.

206812675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

206812675 is a deficient number, since it is larger than the sum of its proper divisors (50715485).

206812675 is a wasteful number, since it uses less digits than its factorization.

206812675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34862 (or 34857 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 206812675 is about 14380.9831026950. The cubic root of 206812675 is about 591.3696752773.

The spelling of 206812675 in words is "two hundred six million, eight hundred twelve thousand, six hundred seventy-five".