1728748907 has 2 divisors, whose sum is σ = 1728748908. Its totient is φ = 1728748906.

The previous prime is 1728748897. The next prime is 1728748913. The reversal of 1728748907 is 7098478271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1728748907 - 2²⁸ = 1460313451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1728748607) 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, 864374453 + 864374454.

It is an arithmetic number, because the mean of its divisors is an integer number (864374454).

Almost surely, 2^1728748907 is an apocalyptic number.

1728748907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1728748907 is an equidigital number, since it uses as much as digits as its factorization.

1728748907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1580544, while the sum is 53.

The square root of 1728748907 is about 41578.2263570730. The cubic root of 1728748907 is about 1200.1733330637.

The spelling of 1728748907 in words is "one billion, seven hundred twenty-eight million, seven hundred forty-eight thousand, nine hundred seven".