71349802680 has 128 divisors (see below), whose sum is σ = 230629734720. Its totient is φ = 17554268160.

The previous prime is 71349802603. The next prime is 71349802681. The reversal of 71349802680 is 8620894317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71349802681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3454464 + ... + 3475056.

Almost surely, 2^71349802680 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 71349802680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115314867360).

71349802680 is an abundant number, since it is smaller than the sum of its proper divisors (159279932040).

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

71349802680 is a wasteful number, since it uses less digits than its factorization.

71349802680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22841 (or 22837 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 71349802680 in words is "seventy-one billion, three hundred forty-nine million, eight hundred two thousand, six hundred eighty".