71109196 has 6 divisors (see below), whose sum is σ = 124441100. Its totient is φ = 35554596.

The previous prime is 71109193. The next prime is 71109197. The reversal of 71109196 is 69190117.

It is not an unprimeable number, because it can be changed into a prime (71109193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8888646 + ... + 8888653.

Almost surely, 2^71109196 is an apocalyptic number.

It is an amenable number.

71109196 is a deficient number, since it is larger than the sum of its proper divisors (53331904).

71109196 is a wasteful number, since it uses less digits than its factorization.

71109196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17777303 (or 17777301 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 34.

The square root of 71109196 is about 8432.6268742308. The cubic root of 71109196 is about 414.2939482424.

The spelling of 71109196 in words is "seventy-one million, one hundred nine thousand, one hundred ninety-six".