722368 has 14 divisors (see below), whose sum is σ = 1433576. Its totient is φ = 361152.

The previous prime is 722363. The next prime is 722369. The reversal of 722368 is 863227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5580 + ... + 5707.

2⁷²²³⁶⁸ is an apocalyptic number.

It is an amenable number.

722368 is a deficient number, since it is larger than the sum of its proper divisors (711208).

722368 is a wasteful number, since it uses less digits than its factorization.

722368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11299 (or 11289 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 722368 is about 849.9223493943. The cubic root of 722368 is about 89.7262463551.

The spelling of 722368 in words is "seven hundred twenty-two thousand, three hundred sixty-eight".