272884645 has 24 divisors (see below), whose sum is σ = 361704672. Its totient is φ = 197487840.

The previous prime is 272884639. The next prime is 272884681. The reversal of 272884645 is 546488272.

It is not a de Polignac number, because 272884645 - 2⁵ = 272884613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 272884595 and 272884604.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 136342 + ... + 138328.

It is an arithmetic number, because the mean of its divisors is an integer number (15071028).

Almost surely, 2^272884645 is an apocalyptic number.

It is an amenable number.

272884645 is a deficient number, since it is larger than the sum of its proper divisors (88820027).

272884645 is a wasteful number, since it uses less digits than its factorization.

272884645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241 (or 2230 counting only the distinct ones).

The product of its digits is 860160, while the sum is 46.

The square root of 272884645 is about 16519.2204719230. The cubic root of 272884645 is about 648.6240281443.

It can be divided in two parts, 272884 and 645, that added together give a square (273529 = 523²).

The spelling of 272884645 in words is "two hundred seventy-two million, eight hundred eighty-four thousand, six hundred forty-five".