708240 has 80 divisors (see below), whose sum is σ = 2374848. Its totient is φ = 173568.

The previous prime is 708229. The next prime is 708251. The reversal of 708240 is 42807.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (708229) and next prime (708251).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×708240³ = 1065767833308672000, which contains 333 as substring.

It is an unprimeable number.

708240 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 15 ways as a sum of consecutive naturals, for example, 3007 + ... + 3233.

2⁷⁰⁸²⁴⁰ 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 708240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1187424).

708240 is an abundant number, since it is smaller than the sum of its proper divisors (1666608).

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

708240 is a wasteful number, since it uses less digits than its factorization.

708240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 708240 is about 841.5699614411. The cubic root of 708240 is about 89.1374386206.

The spelling of 708240 in words is "seven hundred eight thousand, two hundred forty".