71843719105 has 8 divisors (see below), whose sum is σ = 87499216512. Its totient is φ = 56617139568.

The previous prime is 71843719007. The next prime is 71843719109. The reversal of 71843719105 is 50191734817.

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 71843719105 - 2⁷ = 71843718977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71843719109) 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, 107229097 + ... + 107229766.

It is an arithmetic number, because the mean of its divisors is an integer number (10937402064).

Almost surely, 2^71843719105 is an apocalyptic number.

It is an amenable number.

71843719105 is a deficient number, since it is larger than the sum of its proper divisors (15655497407).

71843719105 is a wasteful number, since it uses less digits than its factorization.

71843719105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214458935.

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 71843719105 in words is "seventy-one billion, eight hundred forty-three million, seven hundred nineteen thousand, one hundred five".