708909318 has 48 divisors (see below), whose sum is σ = 1659577920. Its totient is φ = 217406592.

The previous prime is 708909317. The next prime is 708909337. The reversal of 708909318 is 813909807.

It is a super-2 number, since 2×708909318² = 1005104842294450248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (708909317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68403 + ... + 78081.

It is an arithmetic number, because the mean of its divisors is an integer number (34574540).

Almost surely, 2^708909318 is an apocalyptic number.

708909318 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 708909318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829788960).

708909318 is an abundant number, since it is smaller than the sum of its proper divisors (950668602).

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

708909318 is a wasteful number, since it uses less digits than its factorization.

708909318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10013 (or 10010 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 708909318 is about 26625.3510399394. The cubic root of 708909318 is about 891.6550938182.

It can be divided in two parts, 70890 and 9318, that added together give a palindrome (80208).

The spelling of 708909318 in words is "seven hundred eight million, nine hundred nine thousand, three hundred eighteen".