708464689 has 9 divisors (see below), whose sum is σ = 726497433. Its totient is φ = 690870852.

The previous prime is 708464683. The next prime is 708464717. The reversal of 708464689 is 986464807.

It is a happy number.

The square root of 708464689 is 26617.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 708464689 - 2⁹ = 708464177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (708464683) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1144222 + ... + 1144840.

It is an arithmetic number, because the mean of its divisors is an integer number (80721937).

Almost surely, 2^708464689 is an apocalyptic number.

708464689 is the 26617-th square number.

708464689 is the 13309-th centered octagonal number.

It is an amenable number.

708464689 is a deficient number, since it is larger than the sum of its proper divisors (18032744).

708464689 is an frugal number, since it uses more digits than its factorization.

708464689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The cubic root of 708464689 is about 891.4686390219.

The spelling of 708464689 in words is "seven hundred eight million, four hundred sixty-four thousand, six hundred eighty-nine".