722726328056 has 64 divisors (see below), whose sum is σ = 1397751828480. Its totient is φ = 350116715520.

The previous prime is 722726328041. The next prime is 722726328059. The reversal of 722726328056 is 650823627227.

It is a junction number, because it is equal to n+sod(n) for n = 722726327995 and 722726328013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722726328059) 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 15 ways as a sum of consecutive naturals, for example, 184508210 + ... + 184512126.

It is an arithmetic number, because the mean of its divisors is an integer number (21839872320).

Almost surely, 2^722726328056 is an apocalyptic number.

It is an amenable number.

722726328056 is a deficient number, since it is larger than the sum of its proper divisors (675025500424).

722726328056 is a wasteful number, since it uses less digits than its factorization.

722726328056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7704 (or 7700 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 722726328056 in words is "seven hundred twenty-two billion, seven hundred twenty-six million, three hundred twenty-eight thousand, fifty-six".