71318760 has 64 divisors (see below), whose sum is σ = 217486080. Its totient is φ = 18704640.

The previous prime is 71318759. The next prime is 71318771. The reversal of 71318760 is 6781317.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2449 + ... + 12191.

It is an arithmetic number, because the mean of its divisors is an integer number (3398220).

Almost surely, 2^71318760 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 71318760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108743040).

71318760 is an abundant number, since it is smaller than the sum of its proper divisors (146167320).

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

71318760 is a wasteful number, since it uses less digits than its factorization.

71318760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9818 (or 9814 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 71318760 is about 8445.0435167618. The cubic root of 71318760 is about 414.7005339437.

The spelling of 71318760 in words is "seventy-one million, three hundred eighteen thousand, seven hundred sixty".