71255840973 has 8 divisors (see below), whose sum is σ = 95895711648. Its totient is φ = 47059932144.

The previous prime is 71255840933. The next prime is 71255841031. The reversal of 71255840973 is 37904855217.

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

It is not a de Polignac number, because 71255840973 - 2¹² = 71255836877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71255840933) 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 7 ways as a sum of consecutive naturals, for example, 110990086 + ... + 110990727.

It is an arithmetic number, because the mean of its divisors is an integer number (11986963956).

Almost surely, 2^71255840973 is an apocalyptic number.

It is an amenable number.

71255840973 is a deficient number, since it is larger than the sum of its proper divisors (24639870675).

71255840973 is a wasteful number, since it uses less digits than its factorization.

71255840973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221980923.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 71255840973 in words is "seventy-one billion, two hundred fifty-five million, eight hundred forty thousand, nine hundred seventy-three".