722068 has 12 divisors (see below), whose sum is σ = 1277332. Its totient is φ = 357120.

The previous prime is 722063. The next prime is 722069. The reversal of 722068 is 860227.

It can be written as a sum of positive squares in 2 ways, for example, as 101124 + 620944 = 318^2 + 788^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722063) 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 in 3 ways as a sum of consecutive naturals, for example, 543 + ... + 1318.

2⁷²²⁰⁶⁸ is an apocalyptic number.

It is an amenable number.

722068 is a deficient number, since it is larger than the sum of its proper divisors (555264).

722068 is a wasteful number, since it uses less digits than its factorization.

722068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962 (or 1960 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 722068 is about 849.7458443558. The cubic root of 722068 is about 89.7138235083.

The spelling of 722068 in words is "seven hundred twenty-two thousand, sixty-eight".