272870521 has 16 divisors (see below), whose sum is σ = 341550720. Its totient is φ = 211783680.

The previous prime is 272870513. The next prime is 272870527. The reversal of 272870521 is 125078272.

It is a cyclic number.

It is not a de Polignac number, because 272870521 - 2³ = 272870513 is a prime.

It is a super-2 number, since 2×272870521² = 148916642461622882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (272870527) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12895 + ... + 26683.

It is an arithmetic number, because the mean of its divisors is an integer number (21346920).

Almost surely, 2^272870521 is an apocalyptic number.

It is an amenable number.

272870521 is a deficient number, since it is larger than the sum of its proper divisors (68680199).

272870521 is a wasteful number, since it uses less digits than its factorization.

272870521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14064.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 272870521 is about 16518.7929643785. The cubic root of 272870521 is about 648.6128374282.

The spelling of 272870521 in words is "two hundred seventy-two million, eight hundred seventy thousand, five hundred twenty-one".