27000100 has 18 divisors (see below), whose sum is σ = 58590434. Its totient is φ = 10800000.

The previous prime is 27000089. The next prime is 27000109. The reversal of 27000100 is 100072.

It can be written as a sum of positive squares in 3 ways, for example, as 1658944 + 25341156 = 1288^2 + 5034^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (27000109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134901 + ... + 135100.

Almost surely, 2^27000100 is an apocalyptic number.

27000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27000100 is an abundant number, since it is smaller than the sum of its proper divisors (31590334).

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

27000100 is a wasteful number, since it uses less digits than its factorization.

27000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270015 (or 270008 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 10.

The square root of 27000100 is about 5196.1620452022. The cubic root of 27000100 is about 300.0003703699. Note that the first 3 decimals are identical.

Adding to 27000100 its reverse (100072), we get a palindrome (27100172).

The spelling of 27000100 in words is "twenty-seven million, one hundred", and thus it is an aban number.