722763 has 10 divisors (see below), whose sum is σ = 1079804. Its totient is φ = 481788.

The previous prime is 722749. The next prime is 722783. The reversal of 722763 is 367227.

722763 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 722763 - 2¹⁰ = 721739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722713) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4381 + ... + 4542.

2⁷²²⁷⁶³ is an apocalyptic number.

722763 is a deficient number, since it is larger than the sum of its proper divisors (357041).

722763 is an equidigital number, since it uses as much as digits as its factorization.

722763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8935 (or 8926 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 722763 is about 850.1546918061. The cubic root of 722763 is about 89.7425978589.

It can be divided in two parts, 722 and 763, that added together give a triangular number (1485 = T₅₄).

The spelling of 722763 in words is "seven hundred twenty-two thousand, seven hundred sixty-three".