680072039 has 2 divisors, whose sum is σ = 680072040. Its totient is φ = 680072038.

The previous prime is 680071993. The next prime is 680072077. The reversal of 680072039 is 930270086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 680072039 - 2⁸ = 680071783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680072639) 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, 340036019 + 340036020.

It is an arithmetic number, because the mean of its divisors is an integer number (340036020).

Almost surely, 2^680072039 is an apocalyptic number.

680072039 is a deficient number, since it is larger than the sum of its proper divisors (1).

680072039 is an equidigital number, since it uses as much as digits as its factorization.

680072039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 680072039 is about 26078.1908690001. The cubic root of 680072039 is about 879.3969865913.

The spelling of 680072039 in words is "six hundred eighty million, seventy-two thousand, thirty-nine".