206745412 has 12 divisors (see below), whose sum is σ = 365535100. Its totient is φ = 102306816.

The previous prime is 206745401. The next prime is 206745431. The reversal of 206745412 is 214547602.

It can be written as a sum of positive squares in 2 ways, for example, as 119771136 + 86974276 = 10944^2 + 9326^2 .

It is an unprimeable number.

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, 266037 + ... + 266812.

Almost surely, 2^206745412 is an apocalyptic number.

It is an amenable number.

206745412 is a deficient number, since it is larger than the sum of its proper divisors (158789688).

206745412 is a wasteful number, since it uses less digits than its factorization.

206745412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532950 (or 532948 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 206745412 is about 14378.6443032714. The cubic root of 206745412 is about 591.3055566869.

The spelling of 206745412 in words is "two hundred six million, seven hundred forty-five thousand, four hundred twelve".