71131737606 has 8 divisors (see below), whose sum is σ = 142263475224. Its totient is φ = 23710579200.

The previous prime is 71131737581. The next prime is 71131737613. The reversal of 71131737606 is 60673713117.

It is a sphenic number, since it is the product of 3 distinct primes.

71131737606 is an admirable number.

It is a super-2 number, since 2×71131737606² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5927644795 + ... + 5927644806.

It is an arithmetic number, because the mean of its divisors is an integer number (17782934403).

Almost surely, 2^71131737606 is an apocalyptic number.

71131737606 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.

71131737606 is a wasteful number, since it uses less digits than its factorization.

71131737606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11855289606.

The product of its (nonzero) digits is 111132, while the sum is 42.

The spelling of 71131737606 in words is "seventy-one billion, one hundred thirty-one million, seven hundred thirty-seven thousand, six hundred six".