7426667 has 2 divisors, whose sum is σ = 7426668. Its totient is φ = 7426666.

The previous prime is 7426651. The next prime is 7426669. The reversal of 7426667 is 7666247.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7666247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7426667 - 2⁴ = 7426651 is a prime.

Together with 7426669, 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 7426667.

It is not a weakly prime, because it can be changed into another prime (7426669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3713333 + 3713334.

It is an arithmetic number, because the mean of its divisors is an integer number (3713334).

Almost surely, 2^7426667 is an apocalyptic number.

7426667 is a deficient number, since it is larger than the sum of its proper divisors (1).

7426667 is an equidigital number, since it uses as much as digits as its factorization.

7426667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 38.

The square root of 7426667 is about 2725.1911859537. The cubic root of 7426667 is about 195.1033158406.

The spelling of 7426667 in words is "seven million, four hundred twenty-six thousand, six hundred sixty-seven".