27479428 has 6 divisors (see below), whose sum is σ = 48089006. Its totient is φ = 13739712.

The previous prime is 27479407. The next prime is 27479509. The reversal of 27479428 is 82497472.

It can be written as a sum of positive squares in only one way, i.e., 18249984 + 9229444 = 4272^2 + 3038^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3434925 + ... + 3434932.

Almost surely, 2^27479428 is an apocalyptic number.

It is an amenable number.

27479428 is a deficient number, since it is larger than the sum of its proper divisors (20609578).

27479428 is a wasteful number, since it uses less digits than its factorization.

27479428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6869861 (or 6869859 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 27479428 is about 5242.0824106456. The cubic root of 27479428 is about 301.7652518393.

The spelling of 27479428 in words is "twenty-seven million, four hundred seventy-nine thousand, four hundred twenty-eight".