272443289 has 8 divisors (see below), whose sum is σ = 273777408. Its totient is φ = 271113280.

The previous prime is 272443277. The next prime is 272443307. The reversal of 272443289 is 982344272.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272443289 is a prime.

It is a super-2 number, since 2×272443289² = 148450691442275042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272443789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278369 + ... + 279345.

It is an arithmetic number, because the mean of its divisors is an integer number (34222176).

Almost surely, 2^272443289 is an apocalyptic number.

It is an amenable number.

272443289 is a deficient number, since it is larger than the sum of its proper divisors (1334119).

272443289 is an equidigital number, since it uses as much as digits as its factorization.

272443289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055.

The product of its digits is 193536, while the sum is 41.

The square root of 272443289 is about 16505.8562031783. The cubic root of 272443289 is about 648.2741506560.

The spelling of 272443289 in words is "two hundred seventy-two million, four hundred forty-three thousand, two hundred eighty-nine".