1730506 has 4 divisors (see below), whose sum is σ = 2595762. Its totient is φ = 865252.

The previous prime is 1730473. The next prime is 1730507. The reversal of 1730506 is 6050371.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1190281 + 540225 = 1091^2 + 735^2 .

It is not an unprimeable number, because it can be changed into a prime (1730507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432625 + ... + 432628.

2^1730506 is an apocalyptic number.

1730506 is a deficient number, since it is larger than the sum of its proper divisors (865256).

1730506 is an equidigital number, since it uses as much as digits as its factorization.

1730506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865255.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 1730506 is about 1315.4869820717. The cubic root of 1730506 is about 120.0579812395.

Adding to 1730506 its reverse (6050371), we get a palindrome (7780877).

It can be divided in two parts, 173050 and 6, that added together give a square (173056 = 416²).

The spelling of 1730506 in words is "one million, seven hundred thirty thousand, five hundred six".