71999823376426 has 16 divisors (see below), whose sum is σ = 119431836537408. Its totient is φ = 32278874738400.

The previous prime is 71999823376423. The next prime is 71999823376441. The reversal of 71999823376426 is 62467332899917.

It is not an unprimeable number, because it can be changed into a prime (71999823376421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22415883630 + ... + 22415886841.

It is an arithmetic number, because the mean of its divisors is an integer number (7464489783588).

Almost surely, 2^{71999823376426} is an apocalyptic number.

71999823376426 is a deficient number, since it is larger than the sum of its proper divisors (47432013160982).

71999823376426 is a wasteful number, since it uses less digits than its factorization.

71999823376426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44831770557.

The product of its digits is 1481421312, while the sum is 76.

The spelling of 71999823376426 in words is "seventy-one trillion, nine hundred ninety-nine billion, eight hundred twenty-three million, three hundred seventy-six thousand, four hundred twenty-six".