722742045120 has 336 divisors, whose sum is σ = 2574318659328. Its totient is φ = 185918423040.

The previous prime is 722742045097. The next prime is 722742045127. The reversal of 722742045120 is 21540247227.

722742045120 is a `hidden beast` number, since 7 + 227 + 420 + 4 + 5 + 1 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722742045127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28288992 + ... + 28314528.

Almost surely, 2^722742045120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722742045120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287159329664).

722742045120 is an abundant number, since it is smaller than the sum of its proper divisors (1851576614208).

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

722742045120 is a wasteful number, since it uses less digits than its factorization.

722742045120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25908 (or 25895 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

The spelling of 722742045120 in words is "seven hundred twenty-two billion, seven hundred forty-two million, forty-five thousand, one hundred twenty".