206740570 has 32 divisors (see below), whose sum is σ = 397882368. Its totient is φ = 77069568.

The previous prime is 206740531. The next prime is 206740579. The reversal of 206740570 is 75047602.

It is not an unprimeable number, because it can be changed into a prime (206740579) 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 15 ways as a sum of consecutive naturals, for example, 11607 + ... + 23413.

It is an arithmetic number, because the mean of its divisors is an integer number (12433824).

Almost surely, 2^206740570 is an apocalyptic number.

206740570 is a deficient number, since it is larger than the sum of its proper divisors (191141798).

206740570 is a wasteful number, since it uses less digits than its factorization.

206740570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11934.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 206740570 is about 14378.4759275801. The cubic root of 206740570 is about 591.3009405041.

The spelling of 206740570 in words is "two hundred six million, seven hundred forty thousand, five hundred seventy".