27782249 has 8 divisors (see below), whose sum is σ = 30502848. Its totient is φ = 25094160.

The previous prime is 27782207. The next prime is 27782281. The reversal of 27782249 is 94228772.

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 27782249 - 2⁸ = 27781993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27782149) 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, 6317 + ... + 9770.

It is an arithmetic number, because the mean of its divisors is an integer number (3812856).

Almost surely, 2^27782249 is an apocalyptic number.

It is an amenable number.

27782249 is a deficient number, since it is larger than the sum of its proper divisors (2720599).

27782249 is a wasteful number, since it uses less digits than its factorization.

27782249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16255.

The product of its digits is 112896, while the sum is 41.

The square root of 27782249 is about 5270.8869272638. The cubic root of 27782249 is about 302.8696807669.

The spelling of 27782249 in words is "twenty-seven million, seven hundred eighty-two thousand, two hundred forty-nine".