71097737382 has 192 divisors, whose sum is σ = 196943685120. Its totient is φ = 18045545472.

The previous prime is 71097737377. The next prime is 71097737411. The reversal of 71097737382 is 28373779017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11514448 + ... + 11520620.

It is an arithmetic number, because the mean of its divisors is an integer number (1025748360).

Almost surely, 2^71097737382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71097737382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98471842560).

71097737382 is an abundant number, since it is smaller than the sum of its proper divisors (125845947738).

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

71097737382 is a wasteful number, since it uses less digits than its factorization.

71097737382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6507 (or 6504 counting only the distinct ones).

The product of its (nonzero) digits is 3111696, while the sum is 54.

The spelling of 71097737382 in words is "seventy-one billion, ninety-seven million, seven hundred thirty-seven thousand, three hundred eighty-two".