68833231 has 4 divisors (see below), whose sum is σ = 68870464. Its totient is φ = 68796000.

The previous prime is 68833229. The next prime is 68833243. The reversal of 68833231 is 13233886.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68833231 - 2¹ = 68833229 is a prime.

It is a super-2 number, since 2×68833231² = 9476027379798722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68833201) 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, 15690 + ... + 19591.

It is an arithmetic number, because the mean of its divisors is an integer number (17217616).

Almost surely, 2^68833231 is an apocalyptic number.

68833231 is a deficient number, since it is larger than the sum of its proper divisors (37233).

68833231 is a wasteful number, since it uses less digits than its factorization.

68833231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37232.

The product of its digits is 20736, while the sum is 34.

The square root of 68833231 is about 8296.5794759045. The cubic root of 68833231 is about 409.8258848235.

The spelling of 68833231 in words is "sixty-eight million, eight hundred thirty-three thousand, two hundred thirty-one".