68914441 has 2 divisors, whose sum is σ = 68914442. Its totient is φ = 68914440.

The previous prime is 68914427. The next prime is 68914451. The reversal of 68914441 is 14441986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37161216 + 31753225 = 6096^2 + 5635^2 .

It is a cyclic number.

It is not a de Polignac number, because 68914441 - 2²⁵ = 35360009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68914441.

It is not a weakly prime, because it can be changed into another prime (68914451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34457220 + 34457221.

It is an arithmetic number, because the mean of its divisors is an integer number (34457221).

Almost surely, 2^68914441 is an apocalyptic number.

It is an amenable number.

68914441 is a deficient number, since it is larger than the sum of its proper divisors (1).

68914441 is an equidigital number, since it uses as much as digits as its factorization.

68914441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 37.

The square root of 68914441 is about 8301.4722188296. The cubic root of 68914441 is about 409.9869934403.

The spelling of 68914441 in words is "sixty-eight million, nine hundred fourteen thousand, four hundred forty-one".