1673233 has 4 divisors (see below), whose sum is σ = 1696228. Its totient is φ = 1650240.

The previous prime is 1673209. The next prime is 1673237. The reversal of 1673233 is 3323761.

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

It can be written as a sum of positive squares in 2 ways, for example, as 868624 + 804609 = 932^2 + 897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1673233 is a prime.

1673233 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1673198 and 1673207.

It is not an unprimeable number, because it can be changed into a prime (1673237) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11388 + ... + 11533.

It is an arithmetic number, because the mean of its divisors is an integer number (424057).

2^1673233 is an apocalyptic number.

It is an amenable number.

1673233 is a deficient number, since it is larger than the sum of its proper divisors (22995).

1673233 is an equidigital number, since it uses as much as digits as its factorization.

1673233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22994.

The product of its digits is 2268, while the sum is 25.

The square root of 1673233 is about 1293.5350787667. The cubic root of 1673233 is about 118.7186110944.

Adding to 1673233 its reverse (3323761), we get a palindrome (4996994).

The spelling of 1673233 in words is "one million, six hundred seventy-three thousand, two hundred thirty-three".