287072 has 12 divisors (see below), whose sum is σ = 565236. Its totient is φ = 143520.

The previous prime is 287059. The next prime is 287087. The reversal of 287072 is 270782.

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 287072.

It is an unprimeable number.

287072 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 as a sum of consecutive naturals, namely, 4454 + ... + 4517.

It is an arithmetic number, because the mean of its divisors is an integer number (47103).

2²⁸⁷⁰⁷² is an apocalyptic number.

It is an amenable number.

287072 is a deficient number, since it is larger than the sum of its proper divisors (278164).

287072 is an equidigital number, since it uses as much as digits as its factorization.

287072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8981 (or 8973 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 287072 is about 535.7910040305. The cubic root of 287072 is about 65.9675383678.

Subtracting from 287072 its reverse (270782), we obtain a triangular number (16290 = T₁₈₀).

The spelling of 287072 in words is "two hundred eighty-seven thousand, seventy-two".