7543116 has 72 divisors (see below), whose sum is σ = 22407840. Its totient is φ = 2094336.

The previous prime is 7543097. The next prime is 7543117. The reversal of 7543116 is 6113457.

7543116 is a `hidden beast` number, since 7 + 543 + 116 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 7543116.

It is not an unprimeable number, because it can be changed into a prime (7543117) 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 23 ways as a sum of consecutive naturals, for example, 8920 + ... + 9728.

It is an arithmetic number, because the mean of its divisors is an integer number (311220).

Almost surely, 2^7543116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7543116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11203920).

7543116 is an abundant number, since it is smaller than the sum of its proper divisors (14864724).

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

7543116 is a wasteful number, since it uses less digits than its factorization.

7543116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 858 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 7543116 is about 2746.4733750758. The cubic root of 7543116 is about 196.1177620786.

The spelling of 7543116 in words is "seven million, five hundred forty-three thousand, one hundred sixteen".