272238449 has 8 divisors (see below), whose sum is σ = 316403520. Its totient is φ = 229391856.

The previous prime is 272238433. The next prime is 272238467. The reversal of 272238449 is 944832272.

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 272238449 - 2⁴ = 272238433 is a prime.

It is a super-2 number, since 2×272238449² = 148227546227851202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (272238749) 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, 329174 + ... + 329999.

It is an arithmetic number, because the mean of its divisors is an integer number (39550440).

Almost surely, 2^272238449 is an apocalyptic number.

It is an amenable number.

272238449 is a deficient number, since it is larger than the sum of its proper divisors (44165071).

272238449 is an equidigital number, since it uses as much as digits as its factorization.

272238449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659239.

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

The square root of 272238449 is about 16499.6499659841. The cubic root of 272238449 is about 648.1116388270. Note that the first 3 decimals are identical.

The spelling of 272238449 in words is "two hundred seventy-two million, two hundred thirty-eight thousand, four hundred forty-nine".