7436609 has 2 divisors, whose sum is σ = 7436610. Its totient is φ = 7436608.

The previous prime is 7436591. The next prime is 7436629. The reversal of 7436609 is 9066347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7139584 + 297025 = 2672^2 + 545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7436609 is a prime.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (7436629) 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, 3718304 + 3718305.

It is an arithmetic number, because the mean of its divisors is an integer number (3718305).

Almost surely, 2^7436609 is an apocalyptic number.

It is an amenable number.

7436609 is a deficient number, since it is larger than the sum of its proper divisors (1).

7436609 is an equidigital number, since it uses as much as digits as its factorization.

7436609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 7436609 is about 2727.0146680940. The cubic root of 7436609 is about 195.1903379304.

The spelling of 7436609 in words is "seven million, four hundred thirty-six thousand, six hundred nine".