71238585352 has 64 divisors (see below), whose sum is σ = 149566435200. Its totient is φ = 31528512000.

The previous prime is 71238585343. The next prime is 71238585421. The reversal of 71238585352 is 25358583217.

It is a junction number, because it is equal to n+sod(n) for n = 71238585296 and 71238585305.

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, 1817077 + ... + 1855867.

It is an arithmetic number, because the mean of its divisors is an integer number (2336975550).

Almost surely, 2^71238585352 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 71238585352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74783217600).

71238585352 is an abundant number, since it is smaller than the sum of its proper divisors (78327849848).

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

71238585352 is a wasteful number, since it uses less digits than its factorization.

71238585352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39358 (or 39354 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 49.

The spelling of 71238585352 in words is "seventy-one billion, two hundred thirty-eight million, five hundred eighty-five thousand, three hundred fifty-two".