206070730 has 8 divisors (see below), whose sum is σ = 370927332. Its totient is φ = 82428288.

The previous prime is 206070721. The next prime is 206070737. The reversal of 206070730 is 37070602.

206070730 is digitally balanced in base 3, 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 202863049 + 3207681 = 14243^2 + 1791^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 206070695 and 206070704.

It is not an unprimeable number, because it can be changed into a prime (206070737) 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, 10303527 + ... + 10303546.

Almost surely, 2^206070730 is an apocalyptic number.

206070730 is a deficient number, since it is larger than the sum of its proper divisors (164856602).

206070730 is a wasteful number, since it uses less digits than its factorization.

206070730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20607080.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 206070730 is about 14355.1638792457. The cubic root of 206070730 is about 590.6616440223.

The spelling of 206070730 in words is "two hundred six million, seventy thousand, seven hundred thirty".