27228742 has 8 divisors (see below), whose sum is σ = 40871736. Its totient is φ = 13604832.

The previous prime is 27228739. The next prime is 27228779. The reversal of 27228742 is 24782272.

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

It is a junction number, because it is equal to n+sod(n) for n = 27228698 and 27228707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403 + ... + 7390.

It is an arithmetic number, because the mean of its divisors is an integer number (5108967).

Almost surely, 2^27228742 is an apocalyptic number.

27228742 is a deficient number, since it is larger than the sum of its proper divisors (13642994).

27228742 is a wasteful number, since it uses less digits than its factorization.

27228742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9542.

The product of its digits is 25088, while the sum is 34.

The square root of 27228742 is about 5218.1167100785. The cubic root of 27228742 is about 300.8448113388.

The spelling of 27228742 in words is "twenty-seven million, two hundred twenty-eight thousand, seven hundred forty-two".