272288605 has 16 divisors (see below), whose sum is σ = 342249984. Its totient is φ = 207567360.

The previous prime is 272288591. The next prime is 272288623. The reversal of 272288605 is 506882272.

It is not a de Polignac number, because 272288605 - 2⁵ = 272288573 is a prime.

It is a Duffinian number.

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, 26797 + ... + 35533.

It is an arithmetic number, because the mean of its divisors is an integer number (21390624).

Almost surely, 2^272288605 is an apocalyptic number.

It is an amenable number.

272288605 is a deficient number, since it is larger than the sum of its proper divisors (69961379).

272288605 is a wasteful number, since it uses less digits than its factorization.

272288605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9036.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 272288605 is about 16501.1698070167. The cubic root of 272288605 is about 648.1514381174.

The spelling of 272288605 in words is "two hundred seventy-two million, two hundred eighty-eight thousand, six hundred five".