708689540 has 96 divisors (see below), whose sum is σ = 1706987520. Its totient is φ = 244832256.

The previous prime is 708689537. The next prime is 708689549. The reversal of 708689540 is 45986807.

708689540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (708689549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 985301 + ... + 986019.

It is an arithmetic number, because the mean of its divisors is an integer number (17781120).

Almost surely, 2^708689540 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 708689540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853493760).

708689540 is an abundant number, since it is smaller than the sum of its proper divisors (998297980).

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

708689540 is a wasteful number, since it uses less digits than its factorization.

708689540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 708689540 is about 26621.2234880368. The cubic root of 708689540 is about 891.5629398464.

It can be divided in two parts, 70868 and 9540, that added together give a palindrome (80408).

The spelling of 708689540 in words is "seven hundred eight million, six hundred eighty-nine thousand, five hundred forty".