68133263 has 8 divisors (see below), whose sum is σ = 78699600. Its totient is φ = 58295680.

The previous prime is 68133211. The next prime is 68133269. The reversal of 68133263 is 36233186.

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 68133263 - 2⁸ = 68133007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68133269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181988 + ... + 182361.

It is an arithmetic number, because the mean of its divisors is an integer number (9837450).

Almost surely, 2^68133263 is an apocalyptic number.

68133263 is a deficient number, since it is larger than the sum of its proper divisors (10566337).

68133263 is a wasteful number, since it uses less digits than its factorization.

68133263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364377.

The product of its digits is 15552, while the sum is 32.

The square root of 68133263 is about 8254.2875525390. The cubic root of 68133263 is about 408.4319703219.

It can be divided in two parts, 68 and 133263, that added together give a palindrome (133331).

The spelling of 68133263 in words is "sixty-eight million, one hundred thirty-three thousand, two hundred sixty-three".