1728670423741 has 4 divisors (see below), whose sum is σ = 1728729810432. Its totient is φ = 1728611037052.

The previous prime is 1728670423729. The next prime is 1728670423757. The reversal of 1728670423741 is 1473240768271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1728670423741 - 2¹⁷ = 1728670292669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1728670423841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29649661 + ... + 29707906.

It is an arithmetic number, because the mean of its divisors is an integer number (432182452608).

Almost surely, 2^{1728670423741} is an apocalyptic number.

It is an amenable number.

1728670423741 is a deficient number, since it is larger than the sum of its proper divisors (59386691).

1728670423741 is an equidigital number, since it uses as much as digits as its factorization.

1728670423741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59386690.

The product of its (nonzero) digits is 3161088, while the sum is 52.

The spelling of 1728670423741 in words is "one trillion, seven hundred twenty-eight billion, six hundred seventy million, four hundred twenty-three thousand, seven hundred forty-one".