680837094 has 96 divisors (see below), whose sum is σ = 1716289536. Its totient is φ = 191056320.

The previous prime is 680837077. The next prime is 680837141. The reversal of 680837094 is 490738086.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2512179 + ... + 2512449.

It is an arithmetic number, because the mean of its divisors is an integer number (17878016).

Almost surely, 2^680837094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680837094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (858144768).

680837094 is an abundant number, since it is smaller than the sum of its proper divisors (1035452442).

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

680837094 is a wasteful number, since it uses less digits than its factorization.

680837094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 680837094 is about 26092.8552289702. The cubic root of 680837094 is about 879.7266256560.

The spelling of 680837094 in words is "six hundred eighty million, eight hundred thirty-seven thousand, ninety-four".