27528028 has 12 divisors (see below), whose sum is σ = 52553592. Its totient is φ = 12512720.

The previous prime is 27528013. The next prime is 27528071. The reversal of 27528028 is 82082572.

It is a junction number, because it is equal to n+sod(n) for n = 27527984 and 27528002.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 312775 + ... + 312862.

It is an arithmetic number, because the mean of its divisors is an integer number (4379466).

Almost surely, 2^27528028 is an apocalyptic number.

It is an amenable number.

27528028 is a deficient number, since it is larger than the sum of its proper divisors (25025564).

27528028 is a wasteful number, since it uses less digits than its factorization.

27528028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625652 (or 625650 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 27528028 is about 5246.7159252241. The cubic root of 27528028 is about 301.9430473133.

The spelling of 27528028 in words is "twenty-seven million, five hundred twenty-eight thousand, twenty-eight".