27128026 has 4 divisors (see below), whose sum is σ = 40692042. Its totient is φ = 13564012.

The previous prime is 27128011. The next prime is 27128033. The reversal of 27128026 is 62082172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14175225 + 12952801 = 3765^2 + 3599^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27127985 and 27128003.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6782005 + ... + 6782008.

Almost surely, 2^27128026 is an apocalyptic number.

27128026 is a deficient number, since it is larger than the sum of its proper divisors (13564016).

27128026 is a wasteful number, since it uses less digits than its factorization.

27128026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13564015.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 27128026 is about 5208.4571611947. The cubic root of 27128026 is about 300.4734228800.

The spelling of 27128026 in words is "twenty-seven million, one hundred twenty-eight thousand, twenty-six".