71838526548 has 24 divisors (see below), whose sum is σ = 168829155040. Its totient is φ = 23773900320.

The previous prime is 71838526511. The next prime is 71838526589. The reversal of 71838526548 is 84562583817.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21532663 + ... + 21535998.

Almost surely, 2^71838526548 is an apocalyptic number.

It is an amenable number.

71838526548 is an abundant number, since it is smaller than the sum of its proper divisors (96990628492).

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

71838526548 is a wasteful number, since it uses less digits than its factorization.

71838526548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43068807 (or 43068805 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 57.

The spelling of 71838526548 in words is "seventy-one billion, eight hundred thirty-eight million, five hundred twenty-six thousand, five hundred forty-eight".