722692 has 12 divisors (see below), whose sum is σ = 1281280. Its totient is φ = 356616.

The previous prime is 722669. The next prime is 722713. The reversal of 722692 is 296227.

It is a self number, because there is not a number n which added to its sum of digits gives 722692.

It is an unprimeable number.

722692 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, 828 + ... + 1459.

2⁷²²⁶⁹² is an apocalyptic number.

It is an amenable number.

722692 is a deficient number, since it is larger than the sum of its proper divisors (558588).

722692 is a wasteful number, since it uses less digits than its factorization.

722692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370 (or 2368 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 722692 is about 850.1129336741. The cubic root of 722692 is about 89.7396591671.

The spelling of 722692 in words is "seven hundred twenty-two thousand, six hundred ninety-two".