71881522304 has 64 divisors (see below), whose sum is σ = 155601081600. Its totient is φ = 32950748160.

The previous prime is 71881522303. The next prime is 71881522309. The reversal of 71881522304 is 40322518817.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (71881522303) 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, 401327 + ... + 552110.

It is an arithmetic number, because the mean of its divisors is an integer number (2431266900).

Almost surely, 2^71881522304 is an apocalyptic number.

It is an amenable number.

71881522304 is an abundant number, since it is smaller than the sum of its proper divisors (83719559296).

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

71881522304 is a wasteful number, since it uses less digits than its factorization.

71881522304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953501 (or 953489 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 71881522304 in words is "seventy-one billion, eight hundred eighty-one million, five hundred twenty-two thousand, three hundred four".