7420169 has 2 divisors, whose sum is σ = 7420170. Its totient is φ = 7420168.

The previous prime is 7420157. The next prime is 7420181. The reversal of 7420169 is 9610247.

It is a balanced prime because it is at equal distance from previous prime (7420157) and next prime (7420181).

It can be written as a sum of positive squares in only one way, i.e., 7075600 + 344569 = 2660^2 + 587^2 .

It is a cyclic number.

It is not a de Polignac number, because 7420169 - 2⁸ = 7419913 is a prime.

It is a super-2 number, since 2×7420169² = 110117815977122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7420199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710084 + 3710085.

It is an arithmetic number, because the mean of its divisors is an integer number (3710085).

Almost surely, 2^7420169 is an apocalyptic number.

It is an amenable number.

7420169 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420169 is an equidigital number, since it uses as much as digits as its factorization.

7420169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 7420169 is about 2723.9987151245. The cubic root of 7420169 is about 195.0463970246.

The spelling of 7420169 in words is "seven million, four hundred twenty thousand, one hundred sixty-nine".