71708560 has 120 divisors (see below), whose sum is σ = 211700736. Its totient is φ = 22337280.

The previous prime is 71708531. The next prime is 71708569. The reversal of 71708560 is 6580717.

It is not an unprimeable number, because it can be changed into a prime (71708569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42289 + ... + 43951.

Almost surely, 2^71708560 is an apocalyptic number.

71708560 is a gapful number since it is divisible by the number (70) 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 71708560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105850368).

71708560 is an abundant number, since it is smaller than the sum of its proper divisors (139992176).

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

71708560 is a wasteful number, since it uses less digits than its factorization.

71708560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1688 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 71708560 is about 8468.0906938932. The cubic root of 71708560 is about 415.4546910722.

The spelling of 71708560 in words is "seventy-one million, seven hundred eight thousand, five hundred sixty".