1730328901873 has 32 divisors (see below), whose sum is σ = 2039132454912. Its totient is φ = 1447529102400.

The previous prime is 1730328901871. The next prime is 1730328901879. The reversal of 1730328901873 is 3781098230371.

It is a cyclic number.

It is not a de Polignac number, because 1730328901873 - 2¹ = 1730328901871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1730328901873.

It is not an unprimeable number, because it can be changed into a prime (1730328901871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134013288 + ... + 134026198.

It is an arithmetic number, because the mean of its divisors is an integer number (63722889216).

Almost surely, 2^{1730328901873} is an apocalyptic number.

1730328901873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1730328901873 is a deficient number, since it is larger than the sum of its proper divisors (308803553039).

1730328901873 is a wasteful number, since it uses less digits than its factorization.

1730328901873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15765.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 1730328901873 in words is "one trillion, seven hundred thirty billion, three hundred twenty-eight million, nine hundred one thousand, eight hundred seventy-three".