27242857 has 8 divisors (see below), whose sum is σ = 28891296. Its totient is φ = 25599552.

The previous prime is 27242851. The next prime is 27242863. The reversal of 27242857 is 75824272.

It is an interprime number because it is at equal distance from previous prime (27242851) and next prime (27242863).

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

It is not a de Polignac number, because 27242857 - 2³ = 27242849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27242851) 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, 18378 + ... + 19804.

It is an arithmetic number, because the mean of its divisors is an integer number (3611412).

Almost surely, 2^27242857 is an apocalyptic number.

It is an amenable number.

27242857 is a deficient number, since it is larger than the sum of its proper divisors (1648439).

27242857 is a wasteful number, since it uses less digits than its factorization.

27242857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567.

The product of its digits is 62720, while the sum is 37.

The square root of 27242857 is about 5219.4690342984. The cubic root of 27242857 is about 300.8967869431.

The spelling of 27242857 in words is "twenty-seven million, two hundred forty-two thousand, eight hundred fifty-seven".