7990067 has 2 divisors, whose sum is σ = 7990068. Its totient is φ = 7990066.

The previous prime is 7990063. The next prime is 7990079. The reversal of 7990067 is 7600997.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7990067 - 2² = 7990063 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7990067.

It is not a weakly prime, because it can be changed into another prime (7990063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3995033 + 3995034.

It is an arithmetic number, because the mean of its divisors is an integer number (3995034).

Almost surely, 2^7990067 is an apocalyptic number.

7990067 is a deficient number, since it is larger than the sum of its proper divisors (1).

7990067 is an equidigital number, since it uses as much as digits as its factorization.

7990067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 7990067 is about 2826.6706564437. The cubic root of 7990067 is about 199.9171907178.

The spelling of 7990067 in words is "seven million, nine hundred ninety thousand, sixty-seven".