27001071 has 12 divisors (see below), whose sum is σ = 41054520. Its totient is φ = 17053200.

The previous prime is 27001043. The next prime is 27001199. The reversal of 27001071 is 17010072.

It is not a de Polignac number, because 27001071 - 2¹¹ = 26999023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27002071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78780 + ... + 79121.

It is an arithmetic number, because the mean of its divisors is an integer number (3421210).

Almost surely, 2^27001071 is an apocalyptic number.

27001071 is a deficient number, since it is larger than the sum of its proper divisors (14053449).

27001071 is a wasteful number, since it uses less digits than its factorization.

27001071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157926 (or 157923 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 27001071 is about 5196.2554787077. The cubic root of 27001071 is about 300.0039666142.

Subtracting from 27001071 its reverse (17010072), we obtain a palindrome (9990999).

The spelling of 27001071 in words is "twenty-seven million, one thousand, seventy-one".