680774706 has 48 divisors (see below), whose sum is σ = 1546927200. Its totient is φ = 224360928.

The previous prime is 680774683. The next prime is 680774719. The reversal of 680774706 is 607477086.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35385 + ... + 51123.

It is an arithmetic number, because the mean of its divisors is an integer number (32227650).

Almost surely, 2^680774706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680774706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (773463600).

680774706 is an abundant number, since it is smaller than the sum of its proper divisors (866152494).

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

680774706 is a wasteful number, since it uses less digits than its factorization.

680774706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15845 (or 15833 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 680774706 is about 26091.6597019047. The cubic root of 680774706 is about 879.6997538038.

The spelling of 680774706 in words is "six hundred eighty million, seven hundred seventy-four thousand, seven hundred six".