845073 has 10 divisors (see below), whose sum is σ = 1262514. Its totient is φ = 563328.

The previous prime is 845069. The next prime is 845083. The reversal of 845073 is 370548.

It can be written as a sum of positive squares in only one way, i.e., 762129 + 82944 = 873^2 + 288^2 .

It is not a de Polignac number, because 845073 - 2² = 845069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (845003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5136 + ... + 5297.

2⁸⁴⁵⁰⁷³ is an apocalyptic number.

It is an amenable number.

845073 is a deficient number, since it is larger than the sum of its proper divisors (417441).

845073 is a wasteful number, since it uses less digits than its factorization.

845073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10445 (or 10436 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 845073 is about 919.2785214504. The cubic root of 845073 is about 94.5434418558.

The spelling of 845073 in words is "eight hundred forty-five thousand, seventy-three".