206887070 has 32 divisors (see below), whose sum is σ = 418485312. Its totient is φ = 73066752.

The previous prime is 206886973. The next prime is 206887081. The reversal of 206887070 is 70788602.

206887070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31607 + ... + 37586.

It is an arithmetic number, because the mean of its divisors is an integer number (13077666).

Almost surely, 2^206887070 is an apocalyptic number.

206887070 is an abundant number, since it is smaller than the sum of its proper divisors (211598242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206887070 is a wasteful number, since it uses less digits than its factorization.

206887070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69236.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 206887070 is about 14383.5694457252. The cubic root of 206887070 is about 591.4405762714.

The spelling of 206887070 in words is "two hundred six million, eight hundred eighty-seven thousand, seventy".