673290 has 24 divisors (see below), whose sum is σ = 1750788. Its totient is φ = 179520.

The previous prime is 673273. The next prime is 673291. The reversal of 673290 is 92376.

It can be written as a sum of positive squares in 2 ways, for example, as 660969 + 12321 = 813^2 + 111^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673291) 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 11 ways as a sum of consecutive naturals, for example, 3651 + ... + 3830.

2⁶⁷³²⁹⁰ is an apocalyptic number.

673290 is an abundant number, since it is smaller than the sum of its proper divisors (1077498).

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

673290 is a wasteful number, since it uses less digits than its factorization.

673290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7494 (or 7491 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 673290 is about 820.5425034695. The cubic root of 673290 is about 87.6463943898.

The spelling of 673290 in words is "six hundred seventy-three thousand, two hundred ninety".