68579233 has 2 divisors, whose sum is σ = 68579234. Its totient is φ = 68579232.

The previous prime is 68579219. The next prime is 68579237. The reversal of 68579233 is 33297586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64368529 + 4210704 = 8023^2 + 2052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68579233 is a prime.

It is a super-2 number, since 2×68579233² = 9406222397736578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68579233.

It is not a weakly prime, because it can be changed into another prime (68579237) 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 as a sum of consecutive naturals, namely, 34289616 + 34289617.

It is an arithmetic number, because the mean of its divisors is an integer number (34289617).

Almost surely, 2^68579233 is an apocalyptic number.

It is an amenable number.

68579233 is a deficient number, since it is larger than the sum of its proper divisors (1).

68579233 is an equidigital number, since it uses as much as digits as its factorization.

68579233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 68579233 is about 8281.2579358453. The cubic root of 68579233 is about 409.3211709655.

The spelling of 68579233 in words is "sixty-eight million, five hundred seventy-nine thousand, two hundred thirty-three".