7531045120 has 72 divisors (see below), whose sum is σ = 18526869144. Its totient is φ = 2930982912.

The previous prime is 7531045097. The next prime is 7531045133. The reversal of 7531045120 is 215401357.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2583892224 + 4947152896 = 50832^2 + 70336^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32149 + ... + 126868.

It is an arithmetic number, because the mean of its divisors is an integer number (257317627).

Almost surely, 2^7531045120 is an apocalyptic number.

It is an amenable number.

7531045120 is an abundant number, since it is smaller than the sum of its proper divisors (10995824024).

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

7531045120 is a wasteful number, since it uses less digits than its factorization.

7531045120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159075 (or 159061 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 7531045120 is about 86781.5943619383. The cubic root of 7531045120 is about 1960.1309366921.

Adding to 7531045120 its reverse (215401357), we get a palindrome (7746446477).

The spelling of 7531045120 in words is "seven billion, five hundred thirty-one million, forty-five thousand, one hundred twenty".