71481580193 has 8 divisors (see below), whose sum is σ = 74639874816. Its totient is φ = 68327485600.

The previous prime is 71481580171. The next prime is 71481580207. The reversal of 71481580193 is 39108518417.

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 71481580193 - 2¹⁸ = 71481318049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71481580133) 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, 1015193 + ... + 1083318.

It is an arithmetic number, because the mean of its divisors is an integer number (9329984352).

Almost surely, 2^71481580193 is an apocalyptic number.

It is an amenable number.

71481580193 is a deficient number, since it is larger than the sum of its proper divisors (3158294623).

71481580193 is a wasteful number, since it uses less digits than its factorization.

71481580193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100015.

The product of its (nonzero) digits is 241920, while the sum is 47.

The spelling of 71481580193 in words is "seventy-one billion, four hundred eighty-one million, five hundred eighty thousand, one hundred ninety-three".