722105289360 has 720 divisors, whose sum is σ = 3042845245440. Its totient is φ = 152113489920.

The previous prime is 722105289329. The next prime is 722105289361. The reversal of 722105289360 is 63982501227.

722105289360 is a `hidden beast` number, since 7 + 2 + 2 + 1 + 0 + 5 + 289 + 360 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (722105289361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 564585201 + ... + 564586479.

It is an arithmetic number, because the mean of its divisors is an integer number (4226173952).

Almost surely, 2^722105289360 is an apocalyptic number.

722105289360 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722105289360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1521422622720).

722105289360 is an abundant number, since it is smaller than the sum of its proper divisors (2320739956080).

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

722105289360 is a wasteful number, since it uses less digits than its factorization.

722105289360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556 (or 2540 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 722105289360 in words is "seven hundred twenty-two billion, one hundred five million, two hundred eighty-nine thousand, three hundred sixty".