1073305 has 8 divisors (see below), whose sum is σ = 1301832. Its totient is φ = 849408.

The previous prime is 1073297. The next prime is 1073311. The reversal of 1073305 is 5033701.

It can be written as a sum of positive squares in 4 ways, for example, as 389376 + 683929 = 624^2 + 827^2 .

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 1073305 - 2³ = 1073297 is a prime.

It is a Duffinian number.

1073305 is a lucky number.

It is an unprimeable number.

It is a Zeisel number, with parameters (23, -18).

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622 + ... + 1591.

It is an arithmetic number, because the mean of its divisors is an integer number (162729).

2^1073305 is an apocalyptic number.

It is an amenable number.

1073305 is a deficient number, since it is larger than the sum of its proper divisors (228527).

1073305 is an equidigital number, since it uses as much as digits as its factorization.

1073305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 1073305 is about 1036.0043436202. The cubic root of 1073305 is about 102.3861118555.

It can be divided in two parts, 1073 and 305, that added together give a triangular number (1378 = T₅₂).

The spelling of 1073305 in words is "one million, seventy-three thousand, three hundred five".