27769028 has 12 divisors (see below), whose sum is σ = 55538112. Its totient is φ = 11901000.

The previous prime is 27769019. The next prime is 27769039. The reversal of 27769028 is 82096772.

27769028 is an admirable number.

It is a super-2 number, since 2×27769028² = 1542237832129568, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 495848 + ... + 495903.

It is an arithmetic number, because the mean of its divisors is an integer number (4628176).

Almost surely, 2^27769028 is an apocalyptic number.

27769028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27769028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27769028 is a wasteful number, since it uses less digits than its factorization.

27769028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991762 (or 991760 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 27769028 is about 5269.6326247662. The cubic root of 27769028 is about 302.8216299966.

The spelling of 27769028 in words is "twenty-seven million, seven hundred sixty-nine thousand, twenty-eight".