7275470745728 has 32 divisors (see below), whose sum is σ = 14517593284860. Its totient is φ = 3631839490048.

The previous prime is 7275470745709. The next prime is 7275470745757. The reversal of 7275470745728 is 8275470745727.

It can be written as a sum of positive squares in 2 ways, for example, as 7164016258624 + 111454487104 = 2676568^2 + 333848^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45982301 + ... + 46140252.

Almost surely, 2^{7275470745728} is an apocalyptic number.

It is an amenable number.

7275470745728 is a deficient number, since it is larger than the sum of its proper divisors (7242122539132).

7275470745728 is an equidigital number, since it uses as much as digits as its factorization.

7275470745728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92123184 (or 92123172 counting only the distinct ones).

The product of its (nonzero) digits is 215129600, while the sum is 65.

Subtracting 7275470745728 from its reverse (8275470745727), we obtain a palindrome (999999999999).

The spelling of 7275470745728 in words is "seven trillion, two hundred seventy-five billion, four hundred seventy million, seven hundred forty-five thousand, seven hundred twenty-eight".