708720 has 40 divisors (see below), whose sum is σ = 2197776. Its totient is φ = 188928.

The previous prime is 708703. The next prime is 708733. The reversal of 708720 is 27807.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

708720 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 7 ways as a sum of consecutive naturals, for example, 1237 + ... + 1716.

2⁷⁰⁸⁷²⁰ is an apocalyptic number.

It is an amenable number.

708720 is an abundant number, since it is smaller than the sum of its proper divisors (1489056).

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

708720 is a wasteful number, since it uses less digits than its factorization.

708720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969 (or 2963 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 708720 is about 841.8550944195. The cubic root of 708720 is about 89.1575713008.

The spelling of 708720 in words is "seven hundred eight thousand, seven hundred twenty".