845473 has 4 divisors (see below), whose sum is σ = 858160. Its totient is φ = 832788.

The previous prime is 845459. The next prime is 845489. The reversal of 845473 is 374548.

845473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 845473 - 2⁵ = 845441 is a prime.

It is a Duffinian number.

845473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (840473) 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, 6243 + ... + 6376.

It is an arithmetic number, because the mean of its divisors is an integer number (214540).

2⁸⁴⁵⁴⁷³ is an apocalyptic number.

It is an amenable number.

845473 is a deficient number, since it is larger than the sum of its proper divisors (12687).

845473 is a wasteful number, since it uses less digits than its factorization.

845473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12686.

The product of its digits is 13440, while the sum is 31.

The square root of 845473 is about 919.4960576316. The cubic root of 845473 is about 94.5583563115.

The spelling of 845473 in words is "eight hundred forty-five thousand, four hundred seventy-three".