680197420 has 36 divisors (see below), whose sum is σ = 1661627520. Its totient is φ = 233210208.

The previous prime is 680197393. The next prime is 680197447. The reversal of 680197420 is 24791086.

680197420 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 (680197393) and next prime (680197447).

It is a self number, because there is not a number n which added to its sum of digits gives 680197420.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346060 + ... + 348019.

It is an arithmetic number, because the mean of its divisors is an integer number (46156320).

Almost surely, 2^680197420 is an apocalyptic number.

It is an amenable number.

680197420 is an abundant number, since it is smaller than the sum of its proper divisors (981430100).

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

680197420 is a wasteful number, since it uses less digits than its factorization.

680197420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694102 (or 694093 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 680197420 is about 26080.5947018085. The cubic root of 680197420 is about 879.4510264047.

The spelling of 680197420 in words is "six hundred eighty million, one hundred ninety-seven thousand, four hundred twenty".