7443375625 has 135 divisors (see below), whose sum is σ = 11903712249. Its totient is φ = 4638144000.

The previous prime is 7443375601. The next prime is 7443375677. The reversal of 7443375625 is 5265733447.

The square root of 7443375625 is 86275.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 22 ways, for example, as 7433715961 + 9659664 = 86219^2 + 3108^2 .

It is not a de Polignac number, because 7443375625 - 2⁵ = 7443375593 is a prime.

It is a Duffinian number.

Its product of digits (2116800) is a multiple of the sum of its prime factors (126).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 256668111 + ... + 256668139.

Almost surely, 2^7443375625 is an apocalyptic number.

7443375625 is the 86275-th square number.

7443375625 is the 43138-th centered octagonal number.

It is an amenable number.

7443375625 is a deficient number, since it is larger than the sum of its proper divisors (4460336624).

7443375625 is an equidigital number, since it uses as much as digits as its factorization.

7443375625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 58 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 46.

The cubic root of 7443375625 is about 1952.4952168956.

The spelling of 7443375625 in words is "seven billion, four hundred forty-three million, three hundred seventy-five thousand, six hundred twenty-five".