720728584244 has 48 divisors (see below), whose sum is σ = 1299594240000. Its totient is φ = 349582183392.

The previous prime is 720728584243. The next prime is 720728584259. The reversal of 720728584244 is 442485827027.

720728584244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720728584243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38005637 + ... + 38024595.

It is an arithmetic number, because the mean of its divisors is an integer number (27074880000).

Almost surely, 2^720728584244 is an apocalyptic number.

It is an amenable number.

720728584244 is a deficient number, since it is larger than the sum of its proper divisors (578865655756).

720728584244 is a wasteful number, since it uses less digits than its factorization.

720728584244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21140 (or 21138 counting only the distinct ones).

The product of its (nonzero) digits is 8028160, while the sum is 53.

The spelling of 720728584244 in words is "seven hundred twenty billion, seven hundred twenty-eight million, five hundred eighty-four thousand, two hundred forty-four".