71120850 has 48 divisors (see below), whose sum is σ = 177176160. Its totient is φ = 18880000.

The previous prime is 71120837. The next prime is 71120887. The reversal of 71120850 is 5802117.

It is a self number, because there is not a number n which added to its sum of digits gives 71120850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36706 + ... + 38594.

It is an arithmetic number, because the mean of its divisors is an integer number (3691170).

Almost surely, 2^71120850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71120850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88588080).

71120850 is an abundant number, since it is smaller than the sum of its proper divisors (106055310).

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

71120850 is a wasteful number, since it uses less digits than its factorization.

71120850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155 (or 2150 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 71120850 is about 8433.3178524232. The cubic root of 71120850 is about 414.3165797173.

Adding to 71120850 its reverse (5802117), we get a palindrome (76922967).

The spelling of 71120850 in words is "seventy-one million, one hundred twenty thousand, eight hundred fifty".