68768941 has 2 divisors, whose sum is σ = 68768942. Its totient is φ = 68768940.

The previous prime is 68768933. The next prime is 68769031. The reversal of 68768941 is 14986786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61559716 + 7209225 = 7846^2 + 2685^2 .

It is a cyclic number.

It is not a de Polignac number, because 68768941 - 2³ = 68768933 is a prime.

It is a super-2 number, since 2×68768941² = 9458334492522962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68768641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34384470 + 34384471.

It is an arithmetic number, because the mean of its divisors is an integer number (34384471).

Almost surely, 2^68768941 is an apocalyptic number.

It is an amenable number.

68768941 is a deficient number, since it is larger than the sum of its proper divisors (1).

68768941 is an equidigital number, since it uses as much as digits as its factorization.

68768941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 49.

The square root of 68768941 is about 8292.7040825053. The cubic root of 68768941 is about 409.6982530924.

The spelling of 68768941 in words is "sixty-eight million, seven hundred sixty-eight thousand, nine hundred forty-one".