71081712473 has 8 divisors (see below), whose sum is σ = 71416158528. Its totient is φ = 70747753104.

The previous prime is 71081712463. The next prime is 71081712479. The reversal of 71081712473 is 37421718017.

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 71081712473 - 2²⁴ = 71064935257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71081712473.

It is not an unprimeable number, because it can be changed into a prime (71081712479) 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, 172790 + ... + 414752.

It is an arithmetic number, because the mean of its divisors is an integer number (8927019816).

Almost surely, 2^71081712473 is an apocalyptic number.

It is an amenable number.

71081712473 is a deficient number, since it is larger than the sum of its proper divisors (334446055).

71081712473 is a wasteful number, since it uses less digits than its factorization.

71081712473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243343.

The product of its (nonzero) digits is 65856, while the sum is 41.

The spelling of 71081712473 in words is "seventy-one billion, eighty-one million, seven hundred twelve thousand, four hundred seventy-three".