27229140 has 36 divisors (see below), whose sum is σ = 82595604. Its totient is φ = 7261056.

The previous prime is 27229133. The next prime is 27229141. The reversal of 27229140 is 4192272.

It can be written as a sum of positive squares in 2 ways, for example, as 20196036 + 7033104 = 4494^2 + 2652^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27229141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75457 + ... + 75816.

Almost surely, 2^27229140 is an apocalyptic number.

27229140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27229140 is an abundant number, since it is smaller than the sum of its proper divisors (55366464).

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

27229140 is a wasteful number, since it uses less digits than its factorization.

27229140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151288 (or 151283 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 27229140 is about 5218.1548463034. The cubic root of 27229140 is about 300.8462771386.

The spelling of 27229140 in words is "twenty-seven million, two hundred twenty-nine thousand, one hundred forty".