68979241 has 2 divisors, whose sum is σ = 68979242. Its totient is φ = 68979240.

The previous prime is 68979223. The next prime is 68979257. The reversal of 68979241 is 14297986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42302016 + 26677225 = 6504^2 + 5165^2 .

It is a cyclic number.

It is not a de Polignac number, because 68979241 - 2¹¹ = 68977193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68979191 and 68979200.

It is not a weakly prime, because it can be changed into another prime (68979271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34489620 + 34489621.

It is an arithmetic number, because the mean of its divisors is an integer number (34489621).

Almost surely, 2^68979241 is an apocalyptic number.

It is an amenable number.

68979241 is a deficient number, since it is larger than the sum of its proper divisors (1).

68979241 is an equidigital number, since it uses as much as digits as its factorization.

68979241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 46.

The square root of 68979241 is about 8305.3742239588. The cubic root of 68979241 is about 410.1154562807.

The spelling of 68979241 in words is "sixty-eight million, nine hundred seventy-nine thousand, two hundred forty-one".