71013852 has 144 divisors (see below), whose sum is σ = 225650880. Its totient is φ = 18330624.

The previous prime is 71013829. The next prime is 71013869. The reversal of 71013852 is 25831017.

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, 173424 + ... + 173832.

It is an arithmetic number, because the mean of its divisors is an integer number (1567020).

Almost surely, 2^71013852 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 71013852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112825440).

71013852 is an abundant number, since it is smaller than the sum of its proper divisors (154637028).

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

71013852 is a wasteful number, since it uses less digits than its factorization.

71013852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 71013852 is about 8426.9716980657. The cubic root of 71013852 is about 414.1087021149.

Adding to 71013852 its reverse (25831017), we get a palindrome (96844869).

The spelling of 71013852 in words is "seventy-one million, thirteen thousand, eight hundred fifty-two".