68833091 has 2 divisors, whose sum is σ = 68833092. Its totient is φ = 68833090.

The previous prime is 68833073. The next prime is 68833097. The reversal of 68833091 is 19033886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68833091 - 2¹⁰ = 68832067 is a prime.

It is a super-2 number, since 2×68833091² = 9475988833228562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68833097) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34416545 + 34416546.

It is an arithmetic number, because the mean of its divisors is an integer number (34416546).

Almost surely, 2^68833091 is an apocalyptic number.

68833091 is a deficient number, since it is larger than the sum of its proper divisors (1).

68833091 is an equidigital number, since it uses as much as digits as its factorization.

68833091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 68833091 is about 8296.5710386882. The cubic root of 68833091 is about 409.8256069748.

The spelling of 68833091 in words is "sixty-eight million, eight hundred thirty-three thousand, ninety-one".