27280112 has 20 divisors (see below), whose sum is σ = 53214600. Its totient is φ = 13547328.

The previous prime is 27280111. The next prime is 27280133. The reversal of 27280112 is 21108272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27280111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3338 + ... + 8105.

It is an arithmetic number, because the mean of its divisors is an integer number (2660730).

Almost surely, 2^27280112 is an apocalyptic number.

It is an amenable number.

27280112 is a deficient number, since it is larger than the sum of its proper divisors (25934488).

27280112 is a wasteful number, since it uses less digits than its factorization.

27280112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11600 (or 11594 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 27280112 is about 5223.0366646234. The cubic root of 27280112 is about 301.0338847002.

Adding to 27280112 its reverse (21108272), we get a palindrome (48388384).

The spelling of 27280112 in words is "twenty-seven million, two hundred eighty thousand, one hundred twelve".