206682730 has 8 divisors (see below), whose sum is σ = 372028932. Its totient is φ = 82673088.

The previous prime is 206682713. The next prime is 206682731. The reversal of 206682730 is 37286602.

206682730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 186513649 + 20169081 = 13657^2 + 4491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (206682731) 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, 10334127 + ... + 10334146.

Almost surely, 2^206682730 is an apocalyptic number.

206682730 is a deficient number, since it is larger than the sum of its proper divisors (165346202).

206682730 is a wasteful number, since it uses less digits than its factorization.

206682730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20668280.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 206682730 is about 14376.4644471442. The cubic root of 206682730 is about 591.2457924243.

The spelling of 206682730 in words is "two hundred six million, six hundred eighty-two thousand, seven hundred thirty".