7125430916 has 12 divisors (see below), whose sum is σ = 12553193100. Its totient is φ = 3538804320.

The previous prime is 7125430891. The next prime is 7125430919. The reversal of 7125430916 is 6190345217.

It can be written as a sum of positive squares in 2 ways, for example, as 2155744900 + 4969686016 = 46430^2 + 70496^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7125430916.

It is not an unprimeable number, because it can be changed into a prime (7125430919) 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, 5977115 + ... + 5978306.

It is an arithmetic number, because the mean of its divisors is an integer number (1046099425).

Almost surely, 2^7125430916 is an apocalyptic number.

It is an amenable number.

7125430916 is a deficient number, since it is larger than the sum of its proper divisors (5427762184).

7125430916 is a wasteful number, since it uses less digits than its factorization.

7125430916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11955574 (or 11955572 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 7125430916 is about 84412.2675681681. The cubic root of 7125430916 is about 1924.2893573877.

The spelling of 7125430916 in words is "seven billion, one hundred twenty-five million, four hundred thirty thousand, nine hundred sixteen".