1730573 has 4 divisors (see below), whose sum is σ = 1863708. Its totient is φ = 1597440.

The previous prime is 1730567. The next prime is 1730579. The reversal of 1730573 is 3750371.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3750371 = 89 ⋅42139.

It is an interprime number because it is at equal distance from previous prime (1730567) and next prime (1730579).

It can be written as a sum of positive squares in 2 ways, for example, as 1085764 + 644809 = 1042^2 + 803^2 .

It is not a de Polignac number, because 1730573 - 2⁸ = 1730317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1730579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66548 + ... + 66573.

It is an arithmetic number, because the mean of its divisors is an integer number (465927).

2^1730573 is an apocalyptic number.

1730573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1730573 is a deficient number, since it is larger than the sum of its proper divisors (133135).

1730573 is a wasteful number, since it uses less digits than its factorization.

1730573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133134.

The product of its (nonzero) digits is 2205, while the sum is 26.

The square root of 1730573 is about 1315.5124476796. The cubic root of 1730573 is about 120.0595306478.

The spelling of 1730573 in words is "one million, seven hundred thirty thousand, five hundred seventy-three".