206070739 has 4 divisors (see below), whose sum is σ = 235509424. Its totient is φ = 176632056.

The previous prime is 206070737. The next prime is 206070743. The reversal of 206070739 is 937070602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 206070739 - 2¹ = 206070737 is a prime.

It is a super-2 number, since 2×206070739² = 84930298944012242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206070737) 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 3 ways as a sum of consecutive naturals, for example, 14719332 + ... + 14719345.

It is an arithmetic number, because the mean of its divisors is an integer number (58877356).

Almost surely, 2^206070739 is an apocalyptic number.

206070739 is a deficient number, since it is larger than the sum of its proper divisors (29438685).

206070739 is an equidigital number, since it uses as much as digits as its factorization.

206070739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29438684.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 206070739 is about 14355.1641927217. The cubic root of 206070739 is about 590.6616526212.

The spelling of 206070739 in words is "two hundred six million, seventy thousand, seven hundred thirty-nine".