272968209 has 24 divisors (see below), whose sum is σ = 412439040. Its totient is φ = 173640192.

The previous prime is 272968169. The next prime is 272968217. The reversal of 272968209 is 902869272.

It is not a de Polignac number, because 272968209 - 2⁹ = 272967697 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (272968219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97777 + ... + 100529.

It is an arithmetic number, because the mean of its divisors is an integer number (17184960).

Almost surely, 2^272968209 is an apocalyptic number.

It is an amenable number.

272968209 is a deficient number, since it is larger than the sum of its proper divisors (139470831).

272968209 is a wasteful number, since it uses less digits than its factorization.

272968209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261 (or 3258 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 272968209 is about 16521.7495744246. The cubic root of 272968209 is about 648.6902296054.

The spelling of 272968209 in words is "two hundred seventy-two million, nine hundred sixty-eight thousand, two hundred nine".