71040116 has 12 divisors (see below), whose sum is σ = 142080288. Its totient is φ = 30445752.

The previous prime is 71040091. The next prime is 71040119. The reversal of 71040116 is 61104017.

71040116 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71040119) 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, 1268546 + ... + 1268601.

It is an arithmetic number, because the mean of its divisors is an integer number (11840024).

Almost surely, 2^71040116 is an apocalyptic number.

It is an amenable number.

71040116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71040116 is a wasteful number, since it uses less digits than its factorization.

71040116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537158 (or 2537156 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 71040116 is about 8428.5298836749. The cubic root of 71040116 is about 414.1597476039.

It can be divided in two parts, 7104011 and 6, that added together give a palindrome (7104017).

The spelling of 71040116 in words is "seventy-one million, forty thousand, one hundred sixteen".