272849217 has 16 divisors (see below), whose sum is σ = 370968000. Its totient is φ = 178331904.

The previous prime is 272849189. The next prime is 272849231. The reversal of 272849217 is 712948272.

It is not a de Polignac number, because 272849217 - 2⁶ = 272849153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272849257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70509 + ... + 74277.

It is an arithmetic number, because the mean of its divisors is an integer number (23185500).

Almost surely, 2^272849217 is an apocalyptic number.

It is an amenable number.

272849217 is a deficient number, since it is larger than the sum of its proper divisors (98118783).

272849217 is a wasteful number, since it uses less digits than its factorization.

272849217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240.

The product of its digits is 112896, while the sum is 42.

The square root of 272849217 is about 16518.1481104874. The cubic root of 272849217 is about 648.5959571297.

The spelling of 272849217 in words is "two hundred seventy-two million, eight hundred forty-nine thousand, two hundred seventeen".