71326509960 has 192 divisors, whose sum is σ = 233123719680. Its totient is φ = 17437731840.

The previous prime is 71326509953. The next prime is 71326509977. The reversal of 71326509960 is 6990562317.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1316364 + ... + 1369476.

It is an arithmetic number, because the mean of its divisors is an integer number (1214186040).

Almost surely, 2^71326509960 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 71326509960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116561859840).

71326509960 is an abundant number, since it is smaller than the sum of its proper divisors (161797209720).

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

71326509960 is a wasteful number, since it uses less digits than its factorization.

71326509960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53196 (or 53173 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 48.

The spelling of 71326509960 in words is "seventy-one billion, three hundred twenty-six million, five hundred nine thousand, nine hundred sixty".