71189839392 has 192 divisors, whose sum is σ = 228062822400. Its totient is φ = 19004912640.

The previous prime is 71189839379. The next prime is 71189839411. The reversal of 71189839392 is 29393898117.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 545209 + ... + 663047.

It is an arithmetic number, because the mean of its divisors is an integer number (1187827200).

Almost surely, 2^71189839392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71189839392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114031411200).

71189839392 is an abundant number, since it is smaller than the sum of its proper divisors (156872983008).

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

71189839392 is a wasteful number, since it uses less digits than its factorization.

71189839392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117919 (or 117911 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 60.

The spelling of 71189839392 in words is "seventy-one billion, one hundred eighty-nine million, eight hundred thirty-nine thousand, three hundred ninety-two".