722966 has 8 divisors (see below), whose sum is σ = 1089984. Its totient is φ = 359640.

The previous prime is 722963. The next prime is 722971. The reversal of 722966 is 669227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722963) 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, 365 + ... + 1256.

It is an arithmetic number, because the mean of its divisors is an integer number (136248).

2⁷²²⁹⁶⁶ is an apocalyptic number.

722966 is a deficient number, since it is larger than the sum of its proper divisors (367018).

722966 is a wasteful number, since it uses less digits than its factorization.

722966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846.

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

The square root of 722966 is about 850.2740734610. The cubic root of 722966 is about 89.7509989724.

The spelling of 722966 in words is "seven hundred twenty-two thousand, nine hundred sixty-six".