27228072 has 16 divisors (see below), whose sum is σ = 68070240. Its totient is φ = 9076016.

The previous prime is 27228029. The next prime is 27228079. The reversal of 27228072 is 27082272.

It is not an unprimeable number, because it can be changed into a prime (27228079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567228 + ... + 567275.

It is an arithmetic number, because the mean of its divisors is an integer number (4254390).

Almost surely, 2^27228072 is an apocalyptic number.

It is an amenable number.

27228072 is an abundant number, since it is smaller than the sum of its proper divisors (40842168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27228072 is a wasteful number, since it uses less digits than its factorization.

27228072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134512 (or 1134508 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 27228072 is about 5218.0525102762. The cubic root of 27228072 is about 300.8423437542.

The spelling of 27228072 in words is "twenty-seven million, two hundred twenty-eight thousand, seventy-two".