680331594 has 32 divisors (see below), whose sum is σ = 1434286080. Its totient is φ = 214540272.

The previous prime is 680331593. The next prime is 680331599. The reversal of 680331594 is 495133086.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (680331593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85927 + ... + 93509.

It is an arithmetic number, because the mean of its divisors is an integer number (44821440).

Almost surely, 2^680331594 is an apocalyptic number.

680331594 is an abundant number, since it is smaller than the sum of its proper divisors (753954486).

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

680331594 is a wasteful number, since it uses less digits than its factorization.

680331594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8394.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 680331594 is about 26083.1668706083. The cubic root of 680331594 is about 879.5088486881.

The spelling of 680331594 in words is "six hundred eighty million, three hundred thirty-one thousand, five hundred ninety-four".