27769368 has 64 divisors (see below), whose sum is σ = 76204800. Its totient is φ = 8362880.

The previous prime is 27769367. The next prime is 27769373. The reversal of 27769368 is 86396772.

It is a super-2 number, since 2×27769368² = 1542275598238848, which contains 22 as substring.

Its product of digits (762048) is a multiple of the sum of its prime factors (672).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27769361) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 77173 + ... + 77531.

It is an arithmetic number, because the mean of its divisors is an integer number (1190700).

Almost surely, 2^27769368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27769368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38102400).

27769368 is an abundant number, since it is smaller than the sum of its proper divisors (48435432).

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

27769368 is a wasteful number, since it uses less digits than its factorization.

27769368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 668 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 27769368 is about 5269.6648849808. The cubic root of 27769368 is about 302.8228658931.

The spelling of 27769368 in words is "twenty-seven million, seven hundred sixty-nine thousand, three hundred sixty-eight".