71821464360 has 32 divisors (see below), whose sum is σ = 215464393440. Its totient is φ = 19152390464.

The previous prime is 71821464347. The next prime is 71821464389. The reversal of 71821464360 is 6346412817.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299255982 + ... + 299256221.

It is an arithmetic number, because the mean of its divisors is an integer number (6733262295).

Almost surely, 2^71821464360 is an apocalyptic number.

It is an amenable number.

71821464360 is an abundant number, since it is smaller than the sum of its proper divisors (143642929080).

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

71821464360 is a wasteful number, since it uses less digits than its factorization.

71821464360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598512217 (or 598512213 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 71821464360 in words is "seventy-one billion, eight hundred twenty-one million, four hundred sixty-four thousand, three hundred sixty".