272730091 has 4 divisors (see below), whose sum is σ = 273186000. Its totient is φ = 272274184.

The previous prime is 272730089. The next prime is 272730109. The reversal of 272730091 is 190037272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 272730091 - 2¹ = 272730089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272730011) 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 3 ways as a sum of consecutive naturals, for example, 227056 + ... + 228253.

It is an arithmetic number, because the mean of its divisors is an integer number (68296500).

Almost surely, 2^272730091 is an apocalyptic number.

272730091 is a deficient number, since it is larger than the sum of its proper divisors (455909).

272730091 is an equidigital number, since it uses as much as digits as its factorization.

272730091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455908.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 272730091 is about 16514.5418041192. The cubic root of 272730091 is about 648.5015510323.

The spelling of 272730091 in words is "two hundred seventy-two million, seven hundred thirty thousand, ninety-one".