673257 has 16 divisors (see below), whose sum is σ = 986048. Its totient is φ = 406080.

The previous prime is 673247. The next prime is 673271. The reversal of 673257 is 752376.

673257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 673257 - 2⁴ = 673241 is a prime.

It is a Duffinian number.

673257 is a Rhonda number in base 6.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 673257.

It is not an unprimeable number, because it can be changed into a prime (673207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2238 + ... + 2520.

It is an arithmetic number, because the mean of its divisors is an integer number (61628).

2⁶⁷³²⁵⁷ is an apocalyptic number.

It is an amenable number.

673257 is a deficient number, since it is larger than the sum of its proper divisors (312791).

673257 is a wasteful number, since it uses less digits than its factorization.

673257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360.

The product of its digits is 8820, while the sum is 30.

The square root of 673257 is about 820.5223945756. The cubic root of 673257 is about 87.6449624273.

The spelling of 673257 in words is "six hundred seventy-three thousand, two hundred fifty-seven".