673485 has 16 divisors (see below), whose sum is σ = 1097280. Its totient is φ = 352640.

The previous prime is 673469. The next prime is 673487. The reversal of 673485 is 584376.

673485 = T₃₆₂ + T₃₆₃ + ... + T₃₇₁.

673485 = 255² + 256² + ... + 264².

673485 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 673485 - 2⁴ = 673469 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673487) 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, 505 + ... + 1265.

It is an arithmetic number, because the mean of its divisors is an integer number (68580).

2⁶⁷³⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

673485 is a deficient number, since it is larger than the sum of its proper divisors (423795).

673485 is a wasteful number, since it uses less digits than its factorization.

673485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828.

The product of its digits is 20160, while the sum is 33.

The square root of 673485 is about 820.6613186936. The cubic root of 673485 is about 87.6548550320.

The spelling of 673485 in words is "six hundred seventy-three thousand, four hundred eighty-five".