27772328 has 16 divisors (see below), whose sum is σ = 52552500. Its totient is φ = 13758336.

The previous prime is 27772313. The next prime is 27772331. The reversal of 27772328 is 82327772.

It can be written as a sum of positive squares in 2 ways, for example, as 27478564 + 293764 = 5242^2 + 542^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27772291 and 27772300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15053 + ... + 16796.

Almost surely, 2^27772328 is an apocalyptic number.

It is an amenable number.

27772328 is a deficient number, since it is larger than the sum of its proper divisors (24780172).

27772328 is a wasteful number, since it uses less digits than its factorization.

27772328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31964 (or 31960 counting only the distinct ones).

The product of its digits is 65856, while the sum is 38.

The square root of 27772328 is about 5269.9457302709. The cubic root of 27772328 is about 302.8336250364.

The spelling of 27772328 in words is "twenty-seven million, seven hundred seventy-two thousand, three hundred twenty-eight".