1728874003 has 2 divisors, whose sum is σ = 1728874004. Its totient is φ = 1728874002.

The previous prime is 1728874001. The next prime is 1728874027. The reversal of 1728874003 is 3004788271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1728874003 - 2¹ = 1728874001 is a prime.

Together with 1728874001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1728874001) 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, 864437001 + 864437002.

It is an arithmetic number, because the mean of its divisors is an integer number (864437002).

Almost surely, 2^1728874003 is an apocalyptic number.

1728874003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1728874003 is an equidigital number, since it uses as much as digits as its factorization.

1728874003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 1728874003 is about 41579.7306749334. The cubic root of 1728874003 is about 1200.2022814092.

The spelling of 1728874003 in words is "one billion, seven hundred twenty-eight million, eight hundred seventy-four thousand, three".