27821068 has 12 divisors (see below), whose sum is σ = 53113032. Its totient is φ = 12645920.

The previous prime is 27821041. The next prime is 27821081. The reversal of 27821068 is 86012872.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316105 + ... + 316192.

It is an arithmetic number, because the mean of its divisors is an integer number (4426086).

Almost surely, 2^27821068 is an apocalyptic number.

It is an amenable number.

27821068 is a deficient number, since it is larger than the sum of its proper divisors (25291964).

27821068 is a wasteful number, since it uses less digits than its factorization.

27821068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632312 (or 632310 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 27821068 is about 5274.5680391858. The cubic root of 27821068 is about 303.0106775892.

The spelling of 27821068 in words is "twenty-seven million, eight hundred twenty-one thousand, sixty-eight".