7316609 has 4 divisors (see below), whose sum is σ = 7328340. Its totient is φ = 7304880.

The previous prime is 7316593. The next prime is 7316611. The reversal of 7316609 is 9066137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9066137 = 197 ⋅46021.

It can be written as a sum of positive squares in 2 ways, for example, as 3073009 + 4243600 = 1753^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 7316609 - 2⁴ = 7316593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7316009) 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 in 3 ways as a sum of consecutive naturals, for example, 4874 + ... + 6195.

It is an arithmetic number, because the mean of its divisors is an integer number (1832085).

Almost surely, 2^7316609 is an apocalyptic number.

It is an amenable number.

7316609 is a deficient number, since it is larger than the sum of its proper divisors (11731).

7316609 is a wasteful number, since it uses less digits than its factorization.

7316609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11730.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 7316609 is about 2704.9231042675. The cubic root of 7316609 is about 194.1347506797.

The spelling of 7316609 in words is "seven million, three hundred sixteen thousand, six hundred nine".