2872370729 has 2 divisors, whose sum is σ = 2872370730. Its totient is φ = 2872370728.

The previous prime is 2872370713. The next prime is 2872370741. The reversal of 2872370729 is 9270732782.

It is a happy number.

2872370729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1766941225 + 1105429504 = 42035^2 + 33248^2 .

It is a cyclic number.

It is not a de Polignac number, because 2872370729 - 2⁴ = 2872370713 is a prime.

It is a super-3 number, since 3×2872370729³ (a number of 29 digits) contains 333 as substring.

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 (2872370749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436185364 + 1436185365.

It is an arithmetic number, because the mean of its divisors is an integer number (1436185365).

Almost surely, 2^2872370729 is an apocalyptic number.

It is an amenable number.

2872370729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872370729 is an equidigital number, since it uses as much as digits as its factorization.

2872370729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 47.

The square root of 2872370729 is about 53594.5027871329. The cubic root of 2872370729 is about 1421.4998912279.

The spelling of 2872370729 in words is "two billion, eight hundred seventy-two million, three hundred seventy thousand, seven hundred twenty-nine".