873040 has 40 divisors (see below), whose sum is σ = 2321280. Its totient is φ = 299136.

The previous prime is 873017. The next prime is 873043. The reversal of 873040 is 40378.

873040 = 34² + 35² + ... + 138².

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873043) by changing a digit.

873040 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220 + ... + 1339.

It is an arithmetic number, because the mean of its divisors is an integer number (58032).

2⁸⁷³⁰⁴⁰ is an apocalyptic number.

873040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

873040 is an abundant number, since it is smaller than the sum of its proper divisors (1448240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

873040 is a wasteful number, since it uses less digits than its factorization.

873040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579 (or 1573 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 873040 is about 934.3660952753. The cubic root of 873040 is about 95.5750896507.

The spelling of 873040 in words is "eight hundred seventy-three thousand, forty".