272996321 has 8 divisors (see below), whose sum is σ = 294407400. Its totient is φ = 251644032.

The previous prime is 272996309. The next prime is 272996341. The reversal of 272996321 is 123699272.

It can be written as a sum of positive squares in 4 ways, for example, as 61701025 + 211295296 = 7855^2 + 14536^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 272996321 - 2¹⁰ = 272995297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272996341) 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 7 ways as a sum of consecutive naturals, for example, 4796 + ... + 23853.

It is an arithmetic number, because the mean of its divisors is an integer number (36800925).

Almost surely, 2^272996321 is an apocalyptic number.

It is an amenable number.

272996321 is a deficient number, since it is larger than the sum of its proper divisors (21411079).

272996321 is a wasteful number, since it uses less digits than its factorization.

272996321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29395.

The product of its digits is 81648, while the sum is 41.

The square root of 272996321 is about 16522.6003098786. The cubic root of 272996321 is about 648.7124975877.

The spelling of 272996321 in words is "two hundred seventy-two million, nine hundred ninety-six thousand, three hundred twenty-one".