71107 has 4 divisors (see below), whose sum is σ = 71656. Its totient is φ = 70560.

The previous prime is 71089. The next prime is 71119. The reversal of 71107 is 70117.

It is a happy number.

71107 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 71107 - 2⁷ = 70979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43 + ... + 379.

It is an arithmetic number, because the mean of its divisors is an integer number (17914).

2⁷¹¹⁰⁷ is an apocalyptic number.

71107 is a deficient number, since it is larger than the sum of its proper divisors (549).

71107 is a wasteful number, since it uses less digits than its factorization.

71107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548.

The product of its (nonzero) digits is 49, while the sum is 16.

The square root of 71107 is about 266.6589582219. The cubic root of 71107 is about 41.4289683445.

Subtracting from 71107 its reverse (70117), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 7110 and 7, that multiplied together give a triangular number (49770 = T₃₁₅).

The spelling of 71107 in words is "seventy-one thousand, one hundred seven", and thus it is an iban number.