71172714373 has 4 divisors (see below), whose sum is σ = 72234993760. Its totient is φ = 70110434988.

The previous prime is 71172714323. The next prime is 71172714377. The reversal of 71172714373 is 37341727117.

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.

It is a cyclic number.

It is not a de Polignac number, because 71172714373 - 2²⁹ = 70635843461 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 (71172714377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531139593 + ... + 531139726.

It is an arithmetic number, because the mean of its divisors is an integer number (18058748440).

Almost surely, 2^71172714373 is an apocalyptic number.

It is an amenable number.

71172714373 is a deficient number, since it is larger than the sum of its proper divisors (1062279387).

71172714373 is a wasteful number, since it uses less digits than its factorization.

71172714373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062279386.

The product of its digits is 172872, while the sum is 43.

The spelling of 71172714373 in words is "seventy-one billion, one hundred seventy-two million, seven hundred fourteen thousand, three hundred seventy-three".