272608491 has 8 divisors (see below), whose sum is σ = 366131664. Its totient is φ = 180412160.

The previous prime is 272608487. The next prime is 272608517. The reversal of 272608491 is 194806272.

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 272608491 - 2² = 272608487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272608471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331230 + ... + 332051.

It is an arithmetic number, because the mean of its divisors is an integer number (45766458).

Almost surely, 2^272608491 is an apocalyptic number.

272608491 is a deficient number, since it is larger than the sum of its proper divisors (93523173).

272608491 is a wasteful number, since it uses less digits than its factorization.

272608491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663421.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 272608491 is about 16510.8597898474. The cubic root of 272608491 is about 648.4051559589.

The spelling of 272608491 in words is "two hundred seventy-two million, six hundred eight thousand, four hundred ninety-one".