419728307 has 2 divisors, whose sum is σ = 419728308. Its totient is φ = 419728306.

The previous prime is 419728291. The next prime is 419728363. The reversal of 419728307 is 703827914.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 419728307 - 2⁴ = 419728291 is a prime.

It is not a weakly prime, because it can be changed into another prime (419728367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209864153 + 209864154.

It is an arithmetic number, because the mean of its divisors is an integer number (209864154).

Almost surely, 2^419728307 is an apocalyptic number.

419728307 is a deficient number, since it is larger than the sum of its proper divisors (1).

419728307 is an equidigital number, since it uses as much as digits as its factorization.

419728307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 419728307 is about 20487.2718291138. The cubic root of 419728307 is about 748.7257218093.

The spelling of 419728307 in words is "four hundred nineteen million, seven hundred twenty-eight thousand, three hundred seven".