71172238448 has 20 divisors (see below), whose sum is σ = 141103102008. Its totient is φ = 34758534720.

The previous prime is 71172238433. The next prime is 71172238507. The reversal of 71172238448 is 84483227117.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51723323 + ... + 51724698.

Almost surely, 2^71172238448 is an apocalyptic number.

It is an amenable number.

71172238448 is a deficient number, since it is larger than the sum of its proper divisors (69930863560).

71172238448 is a wasteful number, since it uses less digits than its factorization.

71172238448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103448072 (or 103448066 counting only the distinct ones).

The product of its digits is 602112, while the sum is 47.

The spelling of 71172238448 in words is "seventy-one billion, one hundred seventy-two million, two hundred thirty-eight thousand, four hundred forty-eight".