7420079 has 2 divisors, whose sum is σ = 7420080. Its totient is φ = 7420078.

The previous prime is 7420073. The next prime is 7420097. The reversal of 7420079 is 9700247.

Together with next prime (7420097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (9700247) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7420079 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7420073) 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, 3710039 + 3710040.

It is an arithmetic number, because the mean of its divisors is an integer number (3710040).

Almost surely, 2^7420079 is an apocalyptic number.

7420079 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420079 is an equidigital number, since it uses as much as digits as its factorization.

7420079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 7420079 is about 2723.9821952428. The cubic root of 7420079 is about 195.0456084421.

The spelling of 7420079 in words is "seven million, four hundred twenty thousand, seventy-nine".