272568381 has 16 divisors (see below), whose sum is σ = 373785024. Its totient is φ = 176546304.

The previous prime is 272568379. The next prime is 272568389. The reversal of 272568381 is 183865272.

It is not a de Polignac number, because 272568381 - 2¹ = 272568379 is a prime.

It is a super-2 number, since 2×272568381² = 148587044641922322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272568389) 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, 103821 + ... + 106413.

It is an arithmetic number, because the mean of its divisors is an integer number (23361564).

Almost surely, 2^272568381 is an apocalyptic number.

It is an amenable number.

272568381 is a deficient number, since it is larger than the sum of its proper divisors (101216643).

272568381 is a wasteful number, since it uses less digits than its factorization.

272568381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580.

The product of its digits is 161280, while the sum is 42.

The square root of 272568381 is about 16509.6450900678. The cubic root of 272568381 is about 648.3733535667.

The spelling of 272568381 in words is "two hundred seventy-two million, five hundred sixty-eight thousand, three hundred eighty-one".