71548426560 has 448 divisors, whose sum is σ = 254229534720. Its totient is φ = 16929423360.

The previous prime is 71548426549. The next prime is 71548426577. The reversal of 71548426560 is 6562484517.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66929706 + ... + 66930774.

It is an arithmetic number, because the mean of its divisors is an integer number (567476640).

Almost surely, 2^71548426560 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 71548426560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127114767360).

71548426560 is an abundant number, since it is smaller than the sum of its proper divisors (182681108160).

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

71548426560 is a wasteful number, since it uses less digits than its factorization.

71548426560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 71548426560 in words is "seventy-one billion, five hundred forty-eight million, four hundred twenty-six thousand, five hundred sixty".