673773 has 4 divisors (see below), whose sum is σ = 898368. Its totient is φ = 449180.

The previous prime is 673769. The next prime is 673781. The reversal of 673773 is 377376.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 673773 - 2² = 673769 is a prime.

It is a D-number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673793) 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, 112293 + ... + 112298.

It is an arithmetic number, because the mean of its divisors is an integer number (224592).

2⁶⁷³⁷⁷³ is an apocalyptic number.

It is an amenable number.

673773 is a deficient number, since it is larger than the sum of its proper divisors (224595).

673773 is a wasteful number, since it uses less digits than its factorization.

673773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224594.

The product of its digits is 18522, while the sum is 33.

The square root of 673773 is about 820.8367681823. The cubic root of 673773 is about 87.6673477629.

The spelling of 673773 in words is "six hundred seventy-three thousand, seven hundred seventy-three".