706224 has 20 divisors (see below), whose sum is σ = 1824536. Its totient is φ = 235392.

The previous prime is 706213. The next prime is 706229. The reversal of 706224 is 422607.

It is a happy number.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 706224.

It is not an unprimeable number, because it can be changed into a prime (706229) by changing a digit.

706224 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7309 + ... + 7404.

2⁷⁰⁶²²⁴ is an apocalyptic number.

It is an amenable number.

706224 is an abundant number, since it is smaller than the sum of its proper divisors (1118312).

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

706224 is a wasteful number, since it uses less digits than its factorization.

706224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14724 (or 14718 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 706224 is about 840.3713464892. The cubic root of 706224 is about 89.0527818882.

The spelling of 706224 in words is "seven hundred six thousand, two hundred twenty-four".