722043 has 24 divisors (see below), whose sum is σ = 1215968. Its totient is φ = 404352.

The previous prime is 722027. The next prime is 722047. The reversal of 722043 is 340227.

It is a happy number.

722043 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 722043 - 2⁴ = 722027 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 722043.

It is not an unprimeable number, because it can be changed into a prime (722047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4521 + ... + 4677.

2⁷²²⁰⁴³ is an apocalyptic number.

722043 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

722043 is a deficient number, since it is larger than the sum of its proper divisors (493925).

722043 is a wasteful number, since it uses less digits than its factorization.

722043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 722043 is about 849.7311339477. The cubic root of 722043 is about 89.7127881157.

It can be divided in two parts, 72204 and 3, that multiplied together give a palindrome (216612).

The spelling of 722043 in words is "seven hundred twenty-two thousand, forty-three", and thus it is an iban number.