7923667 has 2 divisors, whose sum is σ = 7923668. Its totient is φ = 7923666.

The previous prime is 7923647. The next prime is 7923679. The reversal of 7923667 is 7663297.

7923667 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (7663297) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7923667 is a prime.

It is not a weakly prime, because it can be changed into another prime (7923607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3961833 + 3961834.

It is an arithmetic number, because the mean of its divisors is an integer number (3961834).

Almost surely, 2^7923667 is an apocalyptic number.

7923667 is a deficient number, since it is larger than the sum of its proper divisors (1).

7923667 is an equidigital number, since it uses as much as digits as its factorization.

7923667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 40.

The square root of 7923667 is about 2814.9008863546. The cubic root of 7923667 is about 199.3618577043.

The spelling of 7923667 in words is "seven million, nine hundred twenty-three thousand, six hundred sixty-seven".