71730936800 has 72 divisors (see below), whose sum is σ = 175197771000. Its totient is φ = 28678510080.

The previous prime is 71730936769. The next prime is 71730936821. The reversal of 71730936800 is 863903717.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1722626 + ... + 1763774.

It is an arithmetic number, because the mean of its divisors is an integer number (2433302375).

Almost surely, 2^71730936800 is an apocalyptic number.

It is an amenable number.

71730936800 is an abundant number, since it is smaller than the sum of its proper divisors (103466834200).

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

71730936800 is a wasteful number, since it uses less digits than its factorization.

71730936800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43348 (or 43335 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 44.

The spelling of 71730936800 in words is "seventy-one billion, seven hundred thirty million, nine hundred thirty-six thousand, eight hundred".