722573 has 8 divisors (see below), whose sum is σ = 756960. Its totient is φ = 689040.

The previous prime is 722563. The next prime is 722581. The reversal of 722573 is 375227.

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

It is a cyclic number.

It is not a de Polignac number, because 722573 - 2⁶ = 722509 is a prime.

It is a super-2 number, since 2×722573² = 1044223480658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2018 + ... + 2348.

It is an arithmetic number, because the mean of its divisors is an integer number (94620).

2⁷²²⁵⁷³ is an apocalyptic number.

It is an amenable number.

722573 is a deficient number, since it is larger than the sum of its proper divisors (34387).

722573 is a wasteful number, since it uses less digits than its factorization.

722573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427.

The product of its digits is 2940, while the sum is 26.

The square root of 722573 is about 850.0429400919. The cubic root of 722573 is about 89.7347333224.

The spelling of 722573 in words is "seven hundred twenty-two thousand, five hundred seventy-three".