71969154172 has 12 divisors (see below), whose sum is σ = 125948218480. Its totient is φ = 35983948896.

The previous prime is 71969154167. The next prime is 71969154181. The reversal of 71969154172 is 27145196917.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182104 + ... + 420832.

Almost surely, 2^71969154172 is an apocalyptic number.

It is an amenable number.

71969154172 is a deficient number, since it is larger than the sum of its proper divisors (53979064308).

71969154172 is a wasteful number, since it uses less digits than its factorization.

71969154172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314100 (or 314098 counting only the distinct ones).

The product of its digits is 952560, while the sum is 52.

The spelling of 71969154172 in words is "seventy-one billion, nine hundred sixty-nine million, one hundred fifty-four thousand, one hundred seventy-two".