71791667352 has 192 divisors, whose sum is σ = 217655100000. Its totient is φ = 21244280832.

The previous prime is 71791667327. The next prime is 71791667393. The reversal of 71791667352 is 25376619717.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5412024 + ... + 5425272.

Almost surely, 2^71791667352 is an apocalyptic number.

71791667352 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71791667352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108827550000).

71791667352 is an abundant number, since it is smaller than the sum of its proper divisors (145863432648).

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

71791667352 is a wasteful number, since it uses less digits than its factorization.

71791667352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13530 (or 13523 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 54.

The spelling of 71791667352 in words is "seventy-one billion, seven hundred ninety-one million, six hundred sixty-seven thousand, three hundred fifty-two".