7864067 has 2 divisors, whose sum is σ = 7864068. Its totient is φ = 7864066.

The previous prime is 7864063. The next prime is 7864069. The reversal of 7864067 is 7604687.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7864067 - 2² = 7864063 is a prime.

Together with 7864069, it forms a pair of twin primes.

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 7864067.

It is not a weakly prime, because it can be changed into another prime (7864063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3932033 + 3932034.

It is an arithmetic number, because the mean of its divisors is an integer number (3932034).

Almost surely, 2^7864067 is an apocalyptic number.

7864067 is a deficient number, since it is larger than the sum of its proper divisors (1).

7864067 is an equidigital number, since it uses as much as digits as its factorization.

7864067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 7864067 is about 2804.2943854025. The cubic root of 7864067 is about 198.8607478445.

The spelling of 7864067 in words is "seven million, eight hundred sixty-four thousand, sixty-seven".