71790322812 has 24 divisors (see below), whose sum is σ = 180396196176. Its totient is φ = 22089330048.

The previous prime is 71790322811. The next prime is 71790322823. The reversal of 71790322812 is 21822309717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71790322811) 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, 230097033 + ... + 230097344.

It is an arithmetic number, because the mean of its divisors is an integer number (7516508174).

Almost surely, 2^71790322812 is an apocalyptic number.

It is an amenable number.

71790322812 is an abundant number, since it is smaller than the sum of its proper divisors (108605873364).

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

71790322812 is a wasteful number, since it uses less digits than its factorization.

71790322812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460194397 (or 460194395 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 71790322812 in words is "seventy-one billion, seven hundred ninety million, three hundred twenty-two thousand, eight hundred twelve".