272274321 has 24 divisors (see below), whose sum is σ = 405830880. Its totient is φ = 162205120.

The previous prime is 272274319. The next prime is 272274341. The reversal of 272274321 is 123472272.

It is not a de Polignac number, because 272274321 - 2¹ = 272274319 is a prime.

It is a super-2 number, since 2×272274321² = 148266611752022082, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (272274341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15061 + ... + 27773.

It is an arithmetic number, because the mean of its divisors is an integer number (16909620).

Almost surely, 2^272274321 is an apocalyptic number.

It is an amenable number.

272274321 is a deficient number, since it is larger than the sum of its proper divisors (133556559).

272274321 is a wasteful number, since it uses less digits than its factorization.

272274321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12797 (or 12786 counting only the distinct ones).

The product of its digits is 9408, while the sum is 30.

The square root of 272274321 is about 16500.7369835411. The cubic root of 272274321 is about 648.1401041176.

The spelling of 272274321 in words is "two hundred seventy-two million, two hundred seventy-four thousand, three hundred twenty-one".