71253422968 has 64 divisors (see below), whose sum is σ = 164747459520. Its totient is φ = 28133913600.

The previous prime is 71253422959. The next prime is 71253422969. The reversal of 71253422968 is 86922435217.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71253422969) 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 15 ways as a sum of consecutive naturals, for example, 285358 + ... + 473218.

It is an arithmetic number, because the mean of its divisors is an integer number (2574179055).

Almost surely, 2^71253422968 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 71253422968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82373729760).

71253422968 is an abundant number, since it is smaller than the sum of its proper divisors (93494036552).

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

71253422968 is a wasteful number, since it uses less digits than its factorization.

71253422968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188408 (or 188404 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The spelling of 71253422968 in words is "seventy-one billion, two hundred fifty-three million, four hundred twenty-two thousand, nine hundred sixty-eight".