71743760819 has 8 divisors (see below), whose sum is σ = 72152966160. Its totient is φ = 71335010656.

The previous prime is 71743760813. The next prime is 71743760821. The reversal of 71743760819 is 91806734717.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71743760819 is a prime.

It is a super-2 number, since 2×71743760819² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71743760813) 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 7 ways as a sum of consecutive naturals, for example, 204872 + ... + 430650.

It is an arithmetic number, because the mean of its divisors is an integer number (9019120770).

Almost surely, 2^71743760819 is an apocalyptic number.

71743760819 is a deficient number, since it is larger than the sum of its proper divisors (409205341).

71743760819 is a wasteful number, since it uses less digits than its factorization.

71743760819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227589.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The spelling of 71743760819 in words is "seventy-one billion, seven hundred forty-three million, seven hundred sixty thousand, eight hundred nineteen".