873278 has 32 divisors (see below), whose sum is σ = 1632000. Its totient is φ = 349272.

The previous prime is 873263. The next prime is 873293. The reversal of 873278 is 872378.

873278 = T₁₁₂ + T₁₁₃ + ... + T₁₈₇.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (873263) and next prime (873293).

It is a super-2 number, since 2×873278² = 1525228930568, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 873278.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13001 + ... + 13067.

It is an arithmetic number, because the mean of its divisors is an integer number (51000).

2⁸⁷³²⁷⁸ is an apocalyptic number.

873278 is a deficient number, since it is larger than the sum of its proper divisors (758722).

873278 is a wasteful number, since it uses less digits than its factorization.

873278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 95 counting only the distinct ones).

The product of its digits is 18816, while the sum is 35.

The square root of 873278 is about 934.4934456699. The cubic root of 873278 is about 95.5837737906.

Subtracting from 873278 its reverse (872378), we obtain a square (900 = 30²).

The spelling of 873278 in words is "eight hundred seventy-three thousand, two hundred seventy-eight".