71724068835 has 16 divisors (see below), whose sum is σ = 115359344640. Its totient is φ = 38052558560.

The previous prime is 71724068833. The next prime is 71724068851. The reversal of 71724068835 is 53886042717.

It is not a de Polignac number, because 71724068835 - 2¹ = 71724068833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71724068831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12514425 + ... + 12520154.

It is an arithmetic number, because the mean of its divisors is an integer number (7209959040).

Almost surely, 2^71724068835 is an apocalyptic number.

71724068835 is a deficient number, since it is larger than the sum of its proper divisors (43635275805).

71724068835 is a wasteful number, since it uses less digits than its factorization.

71724068835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25034778.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 71724068835 in words is "seventy-one billion, seven hundred twenty-four million, sixty-eight thousand, eight hundred thirty-five".