722004 has 12 divisors (see below), whose sum is σ = 1684704. Its totient is φ = 240664.

The previous prime is 721997. The next prime is 722011. The reversal of 722004 is 400227.

It is an interprime number because it is at equal distance from previous prime (721997) and next prime (722011).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30072 + ... + 30095.

It is an arithmetic number, because the mean of its divisors is an integer number (140392).

2⁷²²⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

722004 is an abundant number, since it is smaller than the sum of its proper divisors (962700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722004 is a wasteful number, since it uses less digits than its factorization.

722004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60174 (or 60172 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 722004 is about 849.7081852024. The cubic root of 722004 is about 89.7111728556.

The spelling of 722004 in words is "seven hundred twenty-two thousand, four", and thus it is an iban number.