27271066 has 4 divisors (see below), whose sum is σ = 40906602. Its totient is φ = 13635532.

The previous prime is 27271021. The next prime is 27271067. The reversal of 27271066 is 66017272.

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., 24790441 + 2480625 = 4979^2 + 1575^2 .

It is a super-2 number, since 2×27271066² = 1487422081552712, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (27271067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6817765 + ... + 6817768.

Almost surely, 2^27271066 is an apocalyptic number.

27271066 is a deficient number, since it is larger than the sum of its proper divisors (13635536).

27271066 is a wasteful number, since it uses less digits than its factorization.

27271066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13635535.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 27271066 is about 5222.1706214945. The cubic root of 27271066 is about 301.0006070561. Note that the first 3 decimals are identical.

The spelling of 27271066 in words is "twenty-seven million, two hundred seventy-one thousand, sixty-six".