722707 has 4 divisors (see below), whose sum is σ = 740376. Its totient is φ = 705040.

The previous prime is 722669. The next prime is 722713. The reversal of 722707 is 707227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722707 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 8773 + ... + 8854.

It is an arithmetic number, because the mean of its divisors is an integer number (185094).

2⁷²²⁷⁰⁷ is an apocalyptic number.

722707 is a deficient number, since it is larger than the sum of its proper divisors (17669).

722707 is a wasteful number, since it uses less digits than its factorization.

722707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17668.

The product of its (nonzero) digits is 1372, while the sum is 25.

The square root of 722707 is about 850.1217559856. The cubic root of 722707 is about 89.7402800335.

The spelling of 722707 in words is "seven hundred twenty-two thousand, seven hundred seven", and thus it is an iban number.