71118196 has 6 divisors (see below), whose sum is σ = 124456850. Its totient is φ = 35559096.

The previous prime is 71118167. The next prime is 71118199. The reversal of 71118196 is 69181117.

It can be written as a sum of positive squares in only one way, i.e., 69056100 + 2062096 = 8310^2 + 1436^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71118199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8889771 + ... + 8889778.

Almost surely, 2^71118196 is an apocalyptic number.

It is an amenable number.

71118196 is a deficient number, since it is larger than the sum of its proper divisors (53338654).

71118196 is a wasteful number, since it uses less digits than its factorization.

71118196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17779553 (or 17779551 counting only the distinct ones).

The product of its digits is 3024, while the sum is 34.

The square root of 71118196 is about 8433.1604988877. The cubic root of 71118196 is about 414.3114260018.

The spelling of 71118196 in words is "seventy-one million, one hundred eighteen thousand, one hundred ninety-six".