7531161740 has 48 divisors (see below), whose sum is σ = 15891876000. Its totient is φ = 2997944832.

The previous prime is 7531161739. The next prime is 7531161749. The reversal of 7531161740 is 471611357.

It is a self number, because there is not a number n which added to its sum of digits gives 7531161740.

It is not an unprimeable number, because it can be changed into a prime (7531161749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5981231 + ... + 5982489.

It is an arithmetic number, because the mean of its divisors is an integer number (331080750).

Almost surely, 2^7531161740 is an apocalyptic number.

It is an amenable number.

7531161740 is an abundant number, since it is smaller than the sum of its proper divisors (8360714260).

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

7531161740 is a wasteful number, since it uses less digits than its factorization.

7531161740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474 (or 2472 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 7531161740 is about 86782.2662760083. The cubic root of 7531161740 is about 1960.1410543356.

The spelling of 7531161740 in words is "seven billion, five hundred thirty-one million, one hundred sixty-one thousand, seven hundred forty".