27000016 has 20 divisors (see below), whose sum is σ = 52548100. Its totient is φ = 13439232.

The previous prime is 27000013. The next prime is 27000023. The reversal of 27000016 is 61000072.

It can be written as a sum of positive squares in 2 ways, for example, as 25040016 + 1960000 = 5004^2 + 1400^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27000011) 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, 21 + ... + 7348.

It is an arithmetic number, because the mean of its divisors is an integer number (2627405).

Almost surely, 2^27000016 is an apocalyptic number.

It is an amenable number.

27000016 is a deficient number, since it is larger than the sum of its proper divisors (25548084).

27000016 is a wasteful number, since it uses less digits than its factorization.

27000016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7606 (or 7600 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 27000016 is about 5196.1539623071. The cubic root of 27000016 is about 300.0000592592. Note that the first 4 decimals are identical.

Subtracting from 27000016 its sum of digits (16), we obtain a cube (27000000 = 300³).

Adding to 27000016 its reverse (61000072), we get a palindrome (88000088).

The spelling of 27000016 in words is "twenty-seven million, sixteen", and thus it is an aban number and an uban number.