673240 has 16 divisors (see below), whose sum is σ = 1514880. Its totient is φ = 269280.

The previous prime is 673223. The next prime is 673241. The reversal of 673240 is 42376.

It is a d-powerful number, because it can be written as 6⁷ + 7 + 2¹⁷ + 3⁴ + 4⁹ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673241) 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, 8376 + ... + 8455.

It is an arithmetic number, because the mean of its divisors is an integer number (94680).

2⁶⁷³²⁴⁰ is an apocalyptic number.

It is an amenable number.

673240 is an abundant number, since it is smaller than the sum of its proper divisors (841640).

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

673240 is a wasteful number, since it uses less digits than its factorization.

673240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16842 (or 16838 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 673240 is about 820.5120352560. The cubic root of 673240 is about 87.6442247313.

The spelling of 673240 in words is "six hundred seventy-three thousand, two hundred forty".