272445985 has 32 divisors (see below), whose sum is σ = 387724032. Its totient is φ = 179884800.

The previous prime is 272445983. The next prime is 272445989. The reversal of 272445985 is 589544272.

It is not a de Polignac number, because 272445985 - 2¹ = 272445983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272445983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129754 + ... + 131836.

It is an arithmetic number, because the mean of its divisors is an integer number (12116376).

Almost surely, 2^272445985 is an apocalyptic number.

It is an amenable number.

272445985 is a deficient number, since it is larger than the sum of its proper divisors (115278047).

272445985 is a wasteful number, since it uses less digits than its factorization.

272445985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233.

The product of its digits is 806400, while the sum is 46.

The square root of 272445985 is about 16505.9378709603. The cubic root of 272445985 is about 648.2762890109.

It can be divided in two parts, 272445 and 985, that added together give a triangular number (273430 = T₇₃₉).

The spelling of 272445985 in words is "two hundred seventy-two million, four hundred forty-five thousand, nine hundred eighty-five".