706727680 has 144 divisors (see below), whose sum is σ = 1780732800. Its totient is φ = 268369920.

The previous prime is 706727657. The next prime is 706727731. The reversal of 706727680 is 86727607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2932360 + ... + 2932600.

It is an arithmetic number, because the mean of its divisors is an integer number (12366200).

Almost surely, 2^706727680 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 706727680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (890366400).

706727680 is an abundant number, since it is smaller than the sum of its proper divisors (1074005120).

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

706727680 is a wasteful number, since it uses less digits than its factorization.

706727680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 706727680 is about 26584.3502835785. The cubic root of 706727680 is about 890.7394771573.

The spelling of 706727680 in words is "seven hundred six million, seven hundred twenty-seven thousand, six hundred eighty".