71256673848 has 32 divisors (see below), whose sum is σ = 178233958800. Its totient is φ = 23739921408.

The previous prime is 71256673843. The next prime is 71256673849. The reversal of 71256673848 is 84837665217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71256673843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721593 + ... + 814376.

Almost surely, 2^71256673848 is an apocalyptic number.

It is an amenable number.

71256673848 is an abundant number, since it is smaller than the sum of its proper divisors (106977284952).

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

71256673848 is a wasteful number, since it uses less digits than its factorization.

71256673848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537911 (or 1537907 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The spelling of 71256673848 in words is "seventy-one billion, two hundred fifty-six million, six hundred seventy-three thousand, eight hundred forty-eight".