708065680 has 60 divisors (see below), whose sum is σ = 1915039260. Its totient is φ = 242764032.

The previous prime is 708065671. The next prime is 708065693. The reversal of 708065680 is 86560807.

It can be written as a sum of positive squares in 2 ways, for example, as 563777536 + 144288144 = 23744^2 + 12012^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86395 + ... + 94234.

It is an arithmetic number, because the mean of its divisors is an integer number (31917321).

Almost surely, 2^708065680 is an apocalyptic number.

708065680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

708065680 is an abundant number, since it is smaller than the sum of its proper divisors (1206973580).

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

708065680 is a wasteful number, since it uses less digits than its factorization.

708065680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180656 (or 180643 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 708065680 is about 26609.5035654557. The cubic root of 708065680 is about 891.3012485062.

The spelling of 708065680 in words is "seven hundred eight million, sixty-five thousand, six hundred eighty".