708224 has 32 divisors (see below), whose sum is σ = 1542240. Its totient is φ = 321280.

The previous prime is 708223. The next prime is 708229. The reversal of 708224 is 422807.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 708224.

It is not an unprimeable number, because it can be changed into a prime (708221) 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, 1157 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (48195).

2⁷⁰⁸²²⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 708224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771120).

708224 is an abundant number, since it is smaller than the sum of its proper divisors (834016).

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

708224 is a wasteful number, since it uses less digits than its factorization.

708224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 708224 is about 841.5604553447. The cubic root of 708224 is about 89.1367673746.

The spelling of 708224 in words is "seven hundred eight thousand, two hundred twenty-four".