722073 has 8 divisors (see below), whose sum is σ = 1050336. Its totient is φ = 437600.

The previous prime is 722069. The next prime is 722077. The reversal of 722073 is 370227.

It is an interprime number because it is at equal distance from previous prime (722069) and next prime (722077).

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 722073 - 2² = 722069 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 722073.

It is not an unprimeable number, because it can be changed into a prime (722077) 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, 10908 + ... + 10973.

It is an arithmetic number, because the mean of its divisors is an integer number (131292).

2⁷²²⁰⁷³ is an apocalyptic number.

It is an amenable number.

722073 is a deficient number, since it is larger than the sum of its proper divisors (328263).

722073 is a wasteful number, since it uses less digits than its factorization.

722073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21895.

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 722073 is about 849.7487864069. The cubic root of 722073 is about 89.7140305839.

It can be divided in two parts, 72 and 2073, that added together give a triangular number (2145 = T₆₅).

The spelling of 722073 in words is "seven hundred twenty-two thousand, seventy-three", and thus it is an iban number.