27130028 has 48 divisors (see below), whose sum is σ = 53089344. Its totient is φ = 12072960.

The previous prime is 27130021. The next prime is 27130031. The reversal of 27130028 is 82003172.

It is a junction number, because it is equal to n+sod(n) for n = 27129985 and 27130012.

It is not an unprimeable number, because it can be changed into a prime (27130021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103025 + ... + 103287.

It is an arithmetic number, because the mean of its divisors is an integer number (1106028).

Almost surely, 2^27130028 is an apocalyptic number.

It is an amenable number.

27130028 is a deficient number, since it is larger than the sum of its proper divisors (25959316).

27130028 is a wasteful number, since it uses less digits than its factorization.

27130028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 27130028 is about 5208.6493450798. The cubic root of 27130028 is about 300.4808141660.

The spelling of 27130028 in words is "twenty-seven million, one hundred thirty thousand, twenty-eight".