1728675713 has 2 divisors, whose sum is σ = 1728675714. Its totient is φ = 1728675712.

The previous prime is 1728675691. The next prime is 1728675721. The reversal of 1728675713 is 3175768271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1521546049 + 207129664 = 39007^2 + 14392^2 .

It is a cyclic number.

It is not a de Polignac number, because 1728675713 - 2⁶ = 1728675649 is a prime.

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 (1728675733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 864337856 + 864337857.

It is an arithmetic number, because the mean of its divisors is an integer number (864337857).

Almost surely, 2^1728675713 is an apocalyptic number.

It is an amenable number.

1728675713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1728675713 is an equidigital number, since it uses as much as digits as its factorization.

1728675713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 47.

The square root of 1728675713 is about 41577.3461514801. The cubic root of 1728675713 is about 1200.1563946627.

The spelling of 1728675713 in words is "one billion, seven hundred twenty-eight million, six hundred seventy-five thousand, seven hundred thirteen".