680740147 has 2 divisors, whose sum is σ = 680740148. Its totient is φ = 680740146.

The previous prime is 680740141. The next prime is 680740153. The reversal of 680740147 is 741047086.

It is a balanced prime because it is at equal distance from previous prime (680740141) and next prime (680740153).

It is a cyclic number.

It is not a de Polignac number, because 680740147 - 2⁷ = 680740019 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (680740141) by changing a digit.

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 as a sum of consecutive naturals, namely, 340370073 + 340370074.

It is an arithmetic number, because the mean of its divisors is an integer number (340370074).

Almost surely, 2^680740147 is an apocalyptic number.

680740147 is a deficient number, since it is larger than the sum of its proper divisors (1).

680740147 is an equidigital number, since it uses as much as digits as its factorization.

680740147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 680740147 is about 26090.9974320646. The cubic root of 680740147 is about 879.6848677933.

The spelling of 680740147 in words is "six hundred eighty million, seven hundred forty thousand, one hundred forty-seven".