7113609 has 16 divisors (see below), whose sum is σ = 10579840. Its totient is φ = 4723920.

The previous prime is 7113593. The next prime is 7113611. The reversal of 7113609 is 9063117.

It is not a de Polignac number, because 7113609 - 2⁴ = 7113593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7113679) 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 15 ways as a sum of consecutive naturals, for example, 12879 + ... + 13419.

It is an arithmetic number, because the mean of its divisors is an integer number (661240).

Almost surely, 2^7113609 is an apocalyptic number.

It is an amenable number.

7113609 is a deficient number, since it is larger than the sum of its proper divisors (3466231).

7113609 is a wasteful number, since it uses less digits than its factorization.

7113609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 1031 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 7113609 is about 2667.1349797114. The cubic root of 7113609 is about 192.3224561916.

The spelling of 7113609 in words is "seven million, one hundred thirteen thousand, six hundred nine".