71863760672 has 24 divisors (see below), whose sum is σ = 154343759472. Its totient is φ = 32665345600.

The previous prime is 71863760671. The next prime is 71863760701. The reversal of 71863760672 is 27606736817.

It is not an unprimeable number, because it can be changed into a prime (71863760671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102078854 + ... + 102079557.

It is an arithmetic number, because the mean of its divisors is an integer number (6430989978).

Almost surely, 2^71863760672 is an apocalyptic number.

It is an amenable number.

71863760672 is an abundant number, since it is smaller than the sum of its proper divisors (82479998800).

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

71863760672 is a wasteful number, since it uses less digits than its factorization.

71863760672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204158432 (or 204158424 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 71863760672 in words is "seventy-one billion, eight hundred sixty-three million, seven hundred sixty thousand, six hundred seventy-two".