680344350 has 96 divisors (see below), whose sum is σ = 1994872320. Its totient is φ = 150138240.

The previous prime is 680344339. The next prime is 680344361. The reversal of 680344350 is 53443086.

680344350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (680344339) and next prime (680344361).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19279 + ... + 41621.

It is an arithmetic number, because the mean of its divisors is an integer number (20779920).

Almost surely, 2^680344350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680344350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (997436160).

680344350 is an abundant number, since it is smaller than the sum of its proper divisors (1314527970).

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

680344350 is a wasteful number, since it uses less digits than its factorization.

680344350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22394 (or 22389 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 680344350 is about 26083.4113949844. The cubic root of 680344350 is about 879.5143454904.

The spelling of 680344350 in words is "six hundred eighty million, three hundred forty-four thousand, three hundred fifty".