287073 has 12 divisors (see below), whose sum is σ = 419328. Its totient is φ = 189240.

The previous prime is 287059. The next prime is 287087. The reversal of 287073 is 370782.

It is an interprime number because it is at equal distance from previous prime (287059) and next prime (287087).

It is not a de Polignac number, because 287073 - 2⁴ = 287057 is a prime.

287073 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 287073.

It is not an unprimeable number, because it can be changed into a prime (287003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1408 + ... + 1598.

It is an arithmetic number, because the mean of its divisors is an integer number (34944).

2²⁸⁷⁰⁷³ is an apocalyptic number.

It is an amenable number.

287073 is a deficient number, since it is larger than the sum of its proper divisors (132255).

287073 is a wasteful number, since it uses less digits than its factorization.

287073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 287073 is about 535.7919372294. The cubic root of 287073 is about 65.9676149658.

The spelling of 287073 in words is "two hundred eighty-seven thousand, seventy-three".