7113638 has 32 divisors (see below), whose sum is σ = 13132800. Its totient is φ = 2821824.

The previous prime is 7113611. The next prime is 7113641. The reversal of 7113638 is 8363117.

It is a self number, because there is not a number n which added to its sum of digits gives 7113638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12218 + ... + 12786.

It is an arithmetic number, because the mean of its divisors is an integer number (410400).

Almost surely, 2^7113638 is an apocalyptic number.

7113638 is a deficient number, since it is larger than the sum of its proper divisors (6019162).

7113638 is a wasteful number, since it uses less digits than its factorization.

7113638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644.

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

The square root of 7113638 is about 2667.1404162511. The cubic root of 7113638 is about 192.3227175378.

The spelling of 7113638 in words is "seven million, one hundred thirteen thousand, six hundred thirty-eight".