272147489 has 4 divisors (see below), whose sum is σ = 272905920. Its totient is φ = 271389060.

The previous prime is 272147479. The next prime is 272147537. The reversal of 272147489 is 984741272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 272147489 - 2²⁰ = 271098913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272147459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378677 + ... + 379394.

It is an arithmetic number, because the mean of its divisors is an integer number (68226480).

Almost surely, 2^272147489 is an apocalyptic number.

It is an amenable number.

272147489 is a deficient number, since it is larger than the sum of its proper divisors (758431).

272147489 is an equidigital number, since it uses as much as digits as its factorization.

272147489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758430.

The product of its digits is 225792, while the sum is 44.

The square root of 272147489 is about 16496.8933135909. The cubic root of 272147489 is about 648.0394486793.

The spelling of 272147489 in words is "two hundred seventy-two million, one hundred forty-seven thousand, four hundred eighty-nine".