27129308 has 12 divisors (see below), whose sum is σ = 47547360. Its totient is φ = 13544352.

The previous prime is 27129299. The next prime is 27129343. The reversal of 27129308 is 80392172.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1841 + ... + 7592.

It is an arithmetic number, because the mean of its divisors is an integer number (3962280).

Almost surely, 2^27129308 is an apocalyptic number.

It is an amenable number.

27129308 is a deficient number, since it is larger than the sum of its proper divisors (20418052).

27129308 is a wasteful number, since it uses less digits than its factorization.

27129308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10156 (or 10154 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 27129308 is about 5208.5802288148. The cubic root of 27129308 is about 300.4781560031.

The spelling of 27129308 in words is "twenty-seven million, one hundred twenty-nine thousand, three hundred eight".