1730145873 has 8 divisors (see below), whose sum is σ = 2334655008. Its totient is φ = 1139533664.

The previous prime is 1730145827. The next prime is 1730145881. The reversal of 1730145873 is 3785410371.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1730145873 - 2¹⁶ = 1730080337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1730145883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3473940 + ... + 3474437.

It is an arithmetic number, because the mean of its divisors is an integer number (291831876).

Almost surely, 2^1730145873 is an apocalyptic number.

It is an amenable number.

1730145873 is a deficient number, since it is larger than the sum of its proper divisors (604509135).

1730145873 is an equidigital number, since it uses as much as digits as its factorization.

1730145873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6948463.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 1730145873 is about 41595.0222142025. The cubic root of 1730145873 is about 1200.4965243857.

The spelling of 1730145873 in words is "one billion, seven hundred thirty million, one hundred forty-five thousand, eight hundred seventy-three".