71027 has 6 divisors (see below), whose sum is σ = 78204. Its totient is φ = 64460.

The previous prime is 71023. The next prime is 71039. The reversal of 71027 is 72017.

It is a happy number.

It is not a de Polignac number, because 71027 - 2² = 71023 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70996 and 71014.

It is not an unprimeable number, because it can be changed into a prime (71023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173 + ... + 414.

It is an arithmetic number, because the mean of its divisors is an integer number (13034).

2⁷¹⁰²⁷ is an apocalyptic number.

71027 is a deficient number, since it is larger than the sum of its proper divisors (7177).

71027 is a wasteful number, since it uses less digits than its factorization.

71027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 17.

The square root of 71027 is about 266.5089116709. The cubic root of 71027 is about 41.4134257529.

Subtracting 71027 from its reverse (72017), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 710 and 27, that added together give a palindrome (737).

The spelling of 71027 in words is "seventy-one thousand, twenty-seven", and thus it is an iban number.