68939233 has 16 divisors (see below), whose sum is σ = 79899264. Its totient is φ = 58786560.

The previous prime is 68939207. The next prime is 68939279. The reversal of 68939233 is 33293986.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 68939233 - 2¹⁷ = 68808161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68939233.

It is not an unprimeable number, because it can be changed into a prime (68939933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90691 + ... + 91447.

It is an arithmetic number, because the mean of its divisors is an integer number (4993704).

Almost surely, 2^68939233 is an apocalyptic number.

It is an amenable number.

68939233 is a deficient number, since it is larger than the sum of its proper divisors (10960031).

68939233 is a wasteful number, since it uses less digits than its factorization.

68939233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272.

The product of its digits is 209952, while the sum is 43.

The square root of 68939233 is about 8302.9653136696. The cubic root of 68939233 is about 410.0361518786.

The spelling of 68939233 in words is "sixty-eight million, nine hundred thirty-nine thousand, two hundred thirty-three".