7434409 has 2 divisors, whose sum is σ = 7434410. Its totient is φ = 7434408.

The previous prime is 7434397. The next prime is 7434419. The reversal of 7434409 is 9044347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7155625 + 278784 = 2675^2 + 528^2 .

It is a cyclic number.

It is not a de Polignac number, because 7434409 - 2⁹ = 7433897 is a prime.

7434409 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7434419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3717204 + 3717205.

It is an arithmetic number, because the mean of its divisors is an integer number (3717205).

Almost surely, 2^7434409 is an apocalyptic number.

It is an amenable number.

7434409 is a deficient number, since it is larger than the sum of its proper divisors (1).

7434409 is an equidigital number, since it uses as much as digits as its factorization.

7434409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 7434409 is about 2726.6112667559. The cubic root of 7434409 is about 195.1710880682.

The spelling of 7434409 in words is "seven million, four hundred thirty-four thousand, four hundred nine".