722696 has 16 divisors (see below), whose sum is σ = 1459500. Its totient is φ = 333504.

The previous prime is 722669. The next prime is 722713. The reversal of 722696 is 696227.

It can be written as a sum of positive squares in 2 ways, for example, as 722500 + 196 = 850^2 + 14^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 722696.

It is an unprimeable number.

722696 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 3371 + ... + 3578.

2⁷²²⁶⁹⁶ is an apocalyptic number.

It is an amenable number.

722696 is an abundant number, since it is smaller than the sum of its proper divisors (736804).

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

722696 is a wasteful number, since it uses less digits than its factorization.

722696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6968 (or 6964 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 722696 is about 850.1152862995. The cubic root of 722696 is about 89.7398247323.

The spelling of 722696 in words is "seven hundred twenty-two thousand, six hundred ninety-six".