68427833 has 2 divisors, whose sum is σ = 68427834. Its totient is φ = 68427832.

The previous prime is 68427809. The next prime is 68427841. The reversal of 68427833 is 33872486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68425984 + 1849 = 8272^2 + 43^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68427833 is a prime.

It is not a weakly prime, because it can be changed into another prime (68427133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34213916 + 34213917.

It is an arithmetic number, because the mean of its divisors is an integer number (34213917).

Almost surely, 2^68427833 is an apocalyptic number.

It is an amenable number.

68427833 is a deficient number, since it is larger than the sum of its proper divisors (1).

68427833 is an equidigital number, since it uses as much as digits as its factorization.

68427833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The square root of 68427833 is about 8272.1117618175. Note that the first 3 decimals coincide. The cubic root of 68427833 is about 409.0197343036.

The spelling of 68427833 in words is "sixty-eight million, four hundred twenty-seven thousand, eight hundred thirty-three".