1730929 has 2 divisors, whose sum is σ = 1730930. Its totient is φ = 1730928.

The previous prime is 1730921. The next prime is 1730941. The reversal of 1730929 is 9290371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1311025 + 419904 = 1145^2 + 648^2 .

It is an emirp because it is prime and its reverse (9290371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1730929 - 2³ = 1730921 is a prime.

It is a super-2 number, since 2×1730929² = 5992230406082, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1730929.

It is not a weakly prime, because it can be changed into another prime (1730921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 865464 + 865465.

It is an arithmetic number, because the mean of its divisors is an integer number (865465).

2^1730929 is an apocalyptic number.

It is an amenable number.

1730929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1730929 is an equidigital number, since it uses as much as digits as its factorization.

1730929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 1730929 is about 1315.6477492095. The cubic root of 1730929 is about 120.0677626539.

The spelling of 1730929 in words is "one million, seven hundred thirty thousand, nine hundred twenty-nine".