708687840 has 384 divisors, whose sum is σ = 2847882240. Its totient is φ = 144211968.

The previous prime is 708687827. The next prime is 708687841. The reversal of 708687840 is 48786807.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 708687840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (708687841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1084954 + ... + 1085606.

It is an arithmetic number, because the mean of its divisors is an integer number (7416360).

Almost surely, 2^708687840 is an apocalyptic number.

708687840 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 708687840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1423941120).

708687840 is an abundant number, since it is smaller than the sum of its proper divisors (2139194400).

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

708687840 is a wasteful number, since it uses less digits than its factorization.

708687840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The square root of 708687840 is about 26621.1915586061. The cubic root of 708687840 is about 891.5622269539.

The spelling of 708687840 in words is "seven hundred eight million, six hundred eighty-seven thousand, eight hundred forty".