685473 has 8 divisors (see below), whose sum is σ = 945600. Its totient is φ = 441168.

The previous prime is 685471. The next prime is 685493. The reversal of 685473 is 374586.

685473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 685473 - 2¹ = 685471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (685471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3853 + ... + 4026.

It is an arithmetic number, because the mean of its divisors is an integer number (118200).

2⁶⁸⁵⁴⁷³ is an apocalyptic number.

It is an amenable number.

685473 is a deficient number, since it is larger than the sum of its proper divisors (260127).

685473 is a wasteful number, since it uses less digits than its factorization.

685473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7911.

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

The square root of 685473 is about 827.9329683012. The cubic root of 685473 is about 88.1718834078.

The spelling of 685473 in words is "six hundred eighty-five thousand, four hundred seventy-three".