7873287 has 8 divisors (see below), whose sum is σ = 10836480. Its totient is φ = 5079480.

The previous prime is 7873279. The next prime is 7873289. The reversal of 7873287 is 7823787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7873287 - 2³ = 7873279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7873289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42237 + ... + 42422.

It is an arithmetic number, because the mean of its divisors is an integer number (1354560).

Almost surely, 2^7873287 is an apocalyptic number.

7873287 is a deficient number, since it is larger than the sum of its proper divisors (2963193).

7873287 is a wasteful number, since it uses less digits than its factorization.

7873287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84693.

The product of its digits is 131712, while the sum is 42.

The square root of 7873287 is about 2805.9378111426. The cubic root of 7873287 is about 198.9384336873.

The spelling of 7873287 in words is "seven million, eight hundred seventy-three thousand, two hundred eighty-seven".