71974594992 has 30 divisors (see below), whose sum is σ = 185939172172. Its totient is φ = 23990912096.

The previous prime is 71974594981. The next prime is 71974595003. The reversal of 71974594992 is 29949547917.

It is an interprime number because it is at equal distance from previous prime (71974594981) and next prime (71974595003).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1839343 + ... + 1878065.

Almost surely, 2^71974594992 is an apocalyptic number.

It is an amenable number.

71974594992 is an abundant number, since it is smaller than the sum of its proper divisors (113964577180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71974594992 is an frugal number, since it uses more digits than its factorization.

71974594992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77457 (or 38728 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 66.

The spelling of 71974594992 in words is "seventy-one billion, nine hundred seventy-four million, five hundred ninety-four thousand, nine hundred ninety-two".