722733 has 16 divisors (see below), whose sum is σ = 1065792. Its totient is φ = 435600.

The previous prime is 722723. The next prime is 722737. The reversal of 722733 is 337227.

722733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 722733 - 2⁶ = 722669 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3903 + ... + 4083.

It is an arithmetic number, because the mean of its divisors is an integer number (66612).

2⁷²²⁷³³ is an apocalyptic number.

It is an amenable number.

722733 is a deficient number, since it is larger than the sum of its proper divisors (343059).

722733 is a wasteful number, since it uses less digits than its factorization.

722733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 195 counting only the distinct ones).

The product of its digits is 1764, while the sum is 24.

The square root of 722733 is about 850.1370477752. The cubic root of 722733 is about 89.7413561816.

It can be divided in two parts, 7227 and 33, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 722733 in words is "seven hundred twenty-two thousand, seven hundred thirty-three".