7375445729 has 2 divisors, whose sum is σ = 7375445730. Its totient is φ = 7375445728.

The previous prime is 7375445723. The next prime is 7375445747. The reversal of 7375445729 is 9275445737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7323936400 + 51509329 = 85580^2 + 7177^2 .

It is a cyclic number.

It is not a de Polignac number, because 7375445729 - 2¹⁶ = 7375380193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7375445723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3687722864 + 3687722865.

It is an arithmetic number, because the mean of its divisors is an integer number (3687722865).

Almost surely, 2^7375445729 is an apocalyptic number.

It is an amenable number.

7375445729 is a deficient number, since it is larger than the sum of its proper divisors (1).

7375445729 is an equidigital number, since it uses as much as digits as its factorization.

7375445729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7408800, while the sum is 53.

The square root of 7375445729 is about 85880.4152819489. The cubic root of 7375445729 is about 1946.5374211896.

The spelling of 7375445729 in words is "seven billion, three hundred seventy-five million, four hundred forty-five thousand, seven hundred twenty-nine".