71335718747 has 8 divisors (see below), whose sum is σ = 78355023360. Its totient is φ = 64642893480.

The previous prime is 71335718711. The next prime is 71335718777. The reversal of 71335718747 is 74781753317.

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

It is a cyclic number.

It is not a de Polignac number, because 71335718747 - 2⁶ = 71335718683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71335718777) 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, 81619379 + ... + 81620252.

It is an arithmetic number, because the mean of its divisors is an integer number (9794377920).

Almost surely, 2^71335718747 is an apocalyptic number.

71335718747 is a deficient number, since it is larger than the sum of its proper divisors (7019304613).

71335718747 is a wasteful number, since it uses less digits than its factorization.

71335718747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163239673.

The product of its digits is 3457440, while the sum is 53.

The spelling of 71335718747 in words is "seventy-one billion, three hundred thirty-five million, seven hundred eighteen thousand, seven hundred forty-seven".