71683386717 has 8 divisors (see below), whose sum is σ = 96186625696. Its totient is φ = 47484536112.

The previous prime is 71683386689. The next prime is 71683386737. The reversal of 71683386717 is 71768338617.

It is a happy number.

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

It is not a de Polignac number, because 71683386717 - 2⁶ = 71683386653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71683386737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76096543 + ... + 76097484.

It is an arithmetic number, because the mean of its divisors is an integer number (12023328212).

Almost surely, 2^71683386717 is an apocalyptic number.

It is an amenable number.

71683386717 is a deficient number, since it is larger than the sum of its proper divisors (24503238979).

71683386717 is a wasteful number, since it uses less digits than its factorization.

71683386717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152194187.

The product of its digits is 7112448, while the sum is 57.

The spelling of 71683386717 in words is "seventy-one billion, six hundred eighty-three million, three hundred eighty-six thousand, seven hundred seventeen".