873015 has 48 divisors (see below), whose sum is σ = 1698144. Its totient is φ = 380160.

The previous prime is 872999. The next prime is 873017. The reversal of 873015 is 510378.

873015 = T₃₁ + T₃₂ + ... + T₁₇₃.

It is not a de Polignac number, because 873015 - 2⁴ = 872999 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23577 + ... + 23613.

It is an arithmetic number, because the mean of its divisors is an integer number (35378).

2⁸⁷³⁰¹⁵ is an apocalyptic number.

873015 is a deficient number, since it is larger than the sum of its proper divisors (825129).

873015 is a wasteful number, since it uses less digits than its factorization.

873015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 873015 is about 934.3527171256. The cubic root of 873015 is about 95.5741773595.

The spelling of 873015 in words is "eight hundred seventy-three thousand, fifteen".