673331 has 4 divisors (see below), whose sum is σ = 678000. Its totient is φ = 668664.

The previous prime is 673327. The next prime is 673339. The reversal of 673331 is 133376.

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

It is a cyclic number.

It is not a de Polignac number, because 673331 - 2² = 673327 is a prime.

It is a super-2 number, since 2×673331² = 906749271122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673297 and 673306.

It is not an unprimeable number, because it can be changed into a prime (673339) 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, 2111 + ... + 2408.

It is an arithmetic number, because the mean of its divisors is an integer number (169500).

2⁶⁷³³³¹ is an apocalyptic number.

673331 is a deficient number, since it is larger than the sum of its proper divisors (4669).

673331 is a wasteful number, since it uses less digits than its factorization.

673331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4668.

The product of its digits is 1134, while the sum is 23.

The square root of 673331 is about 820.5674865604. The cubic root of 673331 is about 87.6481734297.

It can be divided in two parts, 6 and 73331, that added together give a palindrome (73337).

The spelling of 673331 in words is "six hundred seventy-three thousand, three hundred thirty-one".