206738672 has 20 divisors (see below), whose sum is σ = 457778736. Its totient is φ = 88602240.

The previous prime is 206738669. The next prime is 206738689. The reversal of 206738672 is 276837602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922829 + ... + 923052.

Almost surely, 2^206738672 is an apocalyptic number.

It is an amenable number.

206738672 is an abundant number, since it is smaller than the sum of its proper divisors (251040064).

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

206738672 is a wasteful number, since it uses less digits than its factorization.

206738672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845896 (or 1845890 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 206738672 is about 14378.4099259967. The cubic root of 206738672 is about 591.2991310018.

The spelling of 206738672 in words is "two hundred six million, seven hundred thirty-eight thousand, six hundred seventy-two".