268783073 has 8 divisors (see below), whose sum is σ = 306485928. Its totient is φ = 233512704.

The previous prime is 268783069. The next prime is 268783111. The reversal of 268783073 is 370387862.

It can be written as a sum of positive squares in 4 ways, for example, as 96963409 + 171819664 = 9847^2 + 13108^2 .

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 268783073 - 2² = 268783069 is a prime.

It is a super-3 number, since 3×268783073³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (268783013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607886 + ... + 608327.

It is an arithmetic number, because the mean of its divisors is an integer number (38310741).

Almost surely, 2^268783073 is an apocalyptic number.

It is an amenable number.

268783073 is a deficient number, since it is larger than the sum of its proper divisors (37702855).

268783073 is a wasteful number, since it uses less digits than its factorization.

268783073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216243.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 268783073 is about 16394.6049967665. The cubic root of 268783073 is about 645.3579112471.

The spelling of 268783073 in words is "two hundred sixty-eight million, seven hundred eighty-three thousand, seventy-three".