673473 has 4 divisors (see below), whose sum is σ = 897968. Its totient is φ = 448980.

The previous prime is 673469. The next prime is 673487. The reversal of 673473 is 374376.

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 not a de Polignac number, because 673473 - 2² = 673469 is a prime.

It is a D-number.

It is a Duffinian number.

673473 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 673473.

It is not an unprimeable number, because it can be changed into a prime (673403) 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, 112243 + ... + 112248.

It is an arithmetic number, because the mean of its divisors is an integer number (224492).

2⁶⁷³⁴⁷³ is an apocalyptic number.

It is an amenable number.

673473 is a deficient number, since it is larger than the sum of its proper divisors (224495).

673473 is a wasteful number, since it uses less digits than its factorization.

673473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224494.

The product of its digits is 10584, while the sum is 30.

The square root of 673473 is about 820.6540074843. The cubic root of 673473 is about 87.6543344242.

The spelling of 673473 in words is "six hundred seventy-three thousand, four hundred seventy-three".