71729266099696 has 40 divisors (see below), whose sum is σ = 140080564698624. Its totient is φ = 35579615897280.

The previous prime is 71729266099669. The next prime is 71729266099747. The reversal of 71729266099696 is 69699066292717.

It is a super-2 number, since 2×71729266099696² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235131 + ... + 12040933.

Almost surely, 2^{71729266099696} is an apocalyptic number.

It is an amenable number.

71729266099696 is a deficient number, since it is larger than the sum of its proper divisors (68351298598928).

71729266099696 is a wasteful number, since it uses less digits than its factorization.

71729266099696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10809109 (or 10809103 counting only the distinct ones).

The product of its (nonzero) digits is 1666598976, while the sum is 79.

The spelling of 71729266099696 in words is "seventy-one trillion, seven hundred twenty-nine billion, two hundred sixty-six million, ninety-nine thousand, six hundred ninety-six".