27245779 has 8 divisors (see below), whose sum is σ = 29772288. Its totient is φ = 24727560.

The previous prime is 27245737. The next prime is 27245809. The reversal of 27245779 is 97754272.

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

It is not a de Polignac number, because 27245779 - 2¹⁷ = 27114707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27245879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6294 + ... + 9700.

It is an arithmetic number, because the mean of its divisors is an integer number (3721536).

Almost surely, 2^27245779 is an apocalyptic number.

27245779 is a deficient number, since it is larger than the sum of its proper divisors (2526509).

27245779 is a wasteful number, since it uses less digits than its factorization.

27245779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145.

The product of its digits is 246960, while the sum is 43.

The square root of 27245779 is about 5219.7489403227. The cubic root of 27245779 is about 300.9075443682.

The spelling of 27245779 in words is "twenty-seven million, two hundred forty-five thousand, seven hundred seventy-nine".