7680667 has 2 divisors, whose sum is σ = 7680668. Its totient is φ = 7680666.

The previous prime is 7680649. The next prime is 7680671. The reversal of 7680667 is 7660867.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7680667 - 2⁷ = 7680539 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7680637) 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, 3840333 + 3840334.

It is an arithmetic number, because the mean of its divisors is an integer number (3840334).

Almost surely, 2^7680667 is an apocalyptic number.

7680667 is a deficient number, since it is larger than the sum of its proper divisors (1).

7680667 is an equidigital number, since it uses as much as digits as its factorization.

7680667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 7680667 is about 2771.4016309442. The cubic root of 7680667 is about 197.3026774598.

The spelling of 7680667 in words is "seven million, six hundred eighty thousand, six hundred sixty-seven".