680313330 has 80 divisors (see below), whose sum is σ = 1850036760. Its totient is φ = 179359488.

The previous prime is 680313313. The next prime is 680313421. The reversal of 680313330 is 33313086.

It can be written as a sum of positive squares in 4 ways, for example, as 466948881 + 213364449 = 21609^2 + 14607^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 680313294 and 680313303.

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 39 ways as a sum of consecutive naturals, for example, 67372 + ... + 76808.

Almost surely, 2^680313330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680313330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (925018380).

680313330 is an abundant number, since it is smaller than the sum of its proper divisors (1169723430).

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

680313330 is a wasteful number, since it uses less digits than its factorization.

680313330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9545 (or 9536 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 680313330 is about 26082.8167573980. The cubic root of 680313330 is about 879.5009782646.

The spelling of 680313330 in words is "six hundred eighty million, three hundred thirteen thousand, three hundred thirty".