7113520 has 20 divisors (see below), whose sum is σ = 16539120. Its totient is φ = 2845376.

The previous prime is 7113517. The next prime is 7113527. The reversal of 7113520 is 253117.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (7113527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44380 + ... + 44539.

It is an arithmetic number, because the mean of its divisors is an integer number (826956).

Almost surely, 2^7113520 is an apocalyptic number.

It is an amenable number.

7113520 is an abundant number, since it is smaller than the sum of its proper divisors (9425600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7113520 is a wasteful number, since it uses less digits than its factorization.

7113520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88932 (or 88926 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 7113520 is about 2667.1182950893. The cubic root of 7113520 is about 192.3216541248.

Adding to 7113520 its reverse (253117), we get a palindrome (7366637).

The spelling of 7113520 in words is "seven million, one hundred thirteen thousand, five hundred twenty".