27120006 has 24 divisors (see below), whose sum is σ = 59313384. Its totient is φ = 8954880.

The previous prime is 27119993. The next prime is 27120007. The reversal of 27120006 is 60002172.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27120007) 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 11 ways as a sum of consecutive naturals, for example, 5115 + ... + 8966.

It is an arithmetic number, because the mean of its divisors is an integer number (2471391).

Almost surely, 2^27120006 is an apocalyptic number.

27120006 is an abundant number, since it is smaller than the sum of its proper divisors (32193378).

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

27120006 is a wasteful number, since it uses less digits than its factorization.

27120006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14196 (or 14193 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 27120006 is about 5207.6872025881. The cubic root of 27120006 is about 300.4438097858.

Adding to 27120006 its reverse (60002172), we get a palindrome (87122178).

The spelling of 27120006 in words is "twenty-seven million, one hundred twenty thousand, six".