288268073 has 8 divisors (see below), whose sum is σ = 296812680. Its totient is φ = 279763200.

The previous prime is 288268051. The next prime is 288268111. The reversal of 288268073 is 370862882.

It can be written as a sum of positive squares in 4 ways, for example, as 93470224 + 194797849 = 9668^2 + 13957^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 288268073 - 2⁶ = 288268009 is a prime.

It is a super-2 number, since 2×288268073² = 166196963822266658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288268003) 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, 5123 + ... + 24551.

It is an arithmetic number, because the mean of its divisors is an integer number (37101585).

Almost surely, 2^288268073 is an apocalyptic number.

It is an amenable number.

288268073 is a deficient number, since it is larger than the sum of its proper divisors (8544607).

288268073 is a wasteful number, since it uses less digits than its factorization.

288268073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19867.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 288268073 is about 16978.4590879149. The cubic root of 288268073 is about 660.5902838178.

The spelling of 288268073 in words is "two hundred eighty-eight million, two hundred sixty-eight thousand, seventy-three".