71267068317 has 4 divisors (see below), whose sum is σ = 95022757760. Its totient is φ = 47511378876.

The previous prime is 71267068307. The next prime is 71267068333. The reversal of 71267068317 is 71386076217.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71386076217 = 3 ⋅23795358739.

It is a de Polignac number, because none of the positive numbers 2^k-71267068317 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 (71267068307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11877844717 + ... + 11877844722.

It is an arithmetic number, because the mean of its divisors is an integer number (23755689440).

Almost surely, 2^71267068317 is an apocalyptic number.

It is an amenable number.

71267068317 is a deficient number, since it is larger than the sum of its proper divisors (23755689443).

71267068317 is a wasteful number, since it uses less digits than its factorization.

71267068317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23755689442.

The product of its (nonzero) digits is 592704, while the sum is 48.

The spelling of 71267068317 in words is "seventy-one billion, two hundred sixty-seven million, sixty-eight thousand, three hundred seventeen".