288073 has 4 divisors (see below), whose sum is σ = 289408. Its totient is φ = 286740.

The previous prime is 288061. The next prime is 288077. The reversal of 288073 is 370882.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 370882 = 2 ⋅185441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-288073 is a prime.

It is an Ulam number.

It is a Duffinian number.

288073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (288077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261 + ... + 802.

It is an arithmetic number, because the mean of its divisors is an integer number (72352).

2²⁸⁸⁰⁷³ is an apocalyptic number.

It is an amenable number.

288073 is a deficient number, since it is larger than the sum of its proper divisors (1335).

288073 is a wasteful number, since it uses less digits than its factorization.

288073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 288073 is about 536.7243240249. The cubic root of 288073 is about 66.0441241521.

The spelling of 288073 in words is "two hundred eighty-eight thousand, seventy-three".