27420112 has 20 divisors (see below), whose sum is σ = 53316900. Its totient is φ = 13660928.

The previous prime is 27420079. The next prime is 27420121. The reversal of 27420112 is 21102472.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18870336 + 8549776 = 4344^2 + 2924^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27420112.

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, 1764 + ... + 7612.

It is an arithmetic number, because the mean of its divisors is an integer number (2665845).

Almost surely, 2^27420112 is an apocalyptic number.

It is an amenable number.

27420112 is a deficient number, since it is larger than the sum of its proper divisors (25896788).

27420112 is a wasteful number, since it uses less digits than its factorization.

27420112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6150 (or 6144 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 27420112 is about 5236.4216789712. The cubic root of 27420112 is about 301.5479692695.

Adding to 27420112 its reverse (21102472), we get a palindrome (48522584).

The spelling of 27420112 in words is "twenty-seven million, four hundred twenty thousand, one hundred twelve".