27071073 has 6 divisors (see below), whose sum is σ = 39102674. Its totient is φ = 18047376.

The previous prime is 27071059. The next prime is 27071081. The reversal of 27071073 is 37017072.

It can be written as a sum of positive squares in only one way, i.e., 26749584 + 321489 = 5172^2 + 567^2 .

It is not a de Polignac number, because 27071073 - 2¹⁰ = 27070049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27071273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1503940 + ... + 1503957.

Almost surely, 2^27071073 is an apocalyptic number.

It is an amenable number.

27071073 is a deficient number, since it is larger than the sum of its proper divisors (12031601).

27071073 is a wasteful number, since it uses less digits than its factorization.

27071073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007903 (or 3007900 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The square root of 27071073 is about 5202.9869306005. The cubic root of 27071073 is about 300.2630026979.

The spelling of 27071073 in words is "twenty-seven million, seventy-one thousand, seventy-three".