708736 has 48 divisors (see below), whose sum is σ = 1656990. Its totient is φ = 301056.

The previous prime is 708733. The next prime is 708751. The reversal of 708736 is 637807.

It can be written as a sum of positive squares in only one way, i.e., 705600 + 3136 = 840^2 + 56^2 .

It is a junction number, because it is equal to n+sod(n) for n = 708698 and 708707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (708733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6216 + ... + 6328.

2⁷⁰⁸⁷³⁶ 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 708736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (828495).

708736 is an abundant number, since it is smaller than the sum of its proper divisors (948254).

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

708736 is a wasteful number, since it uses less digits than its factorization.

708736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 708736 is about 841.8645971889. The cubic root of 708736 is about 89.1582422336.

It can be divided in two parts, 708 and 736, that added together give a square (1444 = 38²).

The spelling of 708736 in words is "seven hundred eight thousand, seven hundred thirty-six".