722423744 has 56 divisors (see below), whose sum is σ = 1709611008. Its totient is φ = 296144640.

The previous prime is 722423729. The next prime is 722423749. The reversal of 722423744 is 447324227.

It is a happy number.

722423744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722423749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24752 + ... + 45359.

It is an arithmetic number, because the mean of its divisors is an integer number (30528768).

Almost surely, 2^722423744 is an apocalyptic number.

It is an amenable number.

722423744 is an abundant number, since it is smaller than the sum of its proper divisors (987187264).

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

722423744 is a wasteful number, since it uses less digits than its factorization.

722423744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70153 (or 70143 counting only the distinct ones).

The product of its digits is 75264, while the sum is 35.

The square root of 722423744 is about 26877.9415878523. The cubic root of 722423744 is about 897.2855430677.

The spelling of 722423744 in words is "seven hundred twenty-two million, four hundred twenty-three thousand, seven hundred forty-four".