2007445729 has 2 divisors, whose sum is σ = 2007445730. Its totient is φ = 2007445728.

The previous prime is 2007445723. The next prime is 2007445753. The reversal of 2007445729 is 9275447002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1742895504 + 264550225 = 41748^2 + 16265^2 .

It is a cyclic number.

It is not a de Polignac number, because 2007445729 - 2³ = 2007445721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2007445691 and 2007445700.

It is not a weakly prime, because it can be changed into another prime (2007445721) by changing a digit.

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 as a sum of consecutive naturals, namely, 1003722864 + 1003722865.

It is an arithmetic number, because the mean of its divisors is an integer number (1003722865).

Almost surely, 2^2007445729 is an apocalyptic number.

It is an amenable number.

2007445729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2007445729 is an equidigital number, since it uses as much as digits as its factorization.

2007445729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 2007445729 is about 44804.5279966211. The cubic root of 2007445729 is about 1261.4826187751.

The spelling of 2007445729 in words is "two billion, seven million, four hundred forty-five thousand, seven hundred twenty-nine".