27228743 has 8 divisors (see below), whose sum is σ = 27561600. Its totient is φ = 26898040.

The previous prime is 27228739. The next prime is 27228779. The reversal of 27228743 is 34782272.

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 27228743 - 2² = 27228739 is a prime.

It is a super-3 number, since 3×27228743³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27228793) 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, 45158 + ... + 45756.

It is an arithmetic number, because the mean of its divisors is an integer number (3445200).

Almost surely, 2^27228743 is an apocalyptic number.

27228743 is a deficient number, since it is larger than the sum of its proper divisors (332857).

27228743 is a wasteful number, since it uses less digits than its factorization.

27228743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077.

The product of its digits is 37632, while the sum is 35.

The square root of 27228743 is about 5218.1168058985. The cubic root of 27228743 is about 300.8448150217.

The spelling of 27228743 in words is "twenty-seven million, two hundred twenty-eight thousand, seven hundred forty-three".