673434 has 20 divisors (see below), whose sum is σ = 1509354. Its totient is φ = 224424.

The previous prime is 673429. The next prime is 673441. The reversal of 673434 is 434376.

It can be written as a sum of positive squares in only one way, i.e., 585225 + 88209 = 765^2 + 297^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 673398 and 673407.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1917 + ... + 2240.

2⁶⁷³⁴³⁴ is an apocalyptic number.

673434 is an abundant number, since it is smaller than the sum of its proper divisors (835920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673434 is a wasteful number, since it uses less digits than its factorization.

673434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171 (or 4162 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 673434 is about 820.6302456040. The cubic root of 673434 is about 87.6526424064.

673434 divided by its sum of digits (27) gives a palindrome (24942).

The spelling of 673434 in words is "six hundred seventy-three thousand, four hundred thirty-four".