68107469 has 2 divisors, whose sum is σ = 68107470. Its totient is φ = 68107468.

The previous prime is 68107447. The next prime is 68107477. The reversal of 68107469 is 96470186.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52027369 + 16080100 = 7213^2 + 4010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68107469 is a prime.

It is a super-2 number, since 2×68107469² = 9277254667171922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68107409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34053734 + 34053735.

It is an arithmetic number, because the mean of its divisors is an integer number (34053735).

Almost surely, 2^68107469 is an apocalyptic number.

It is an amenable number.

68107469 is a deficient number, since it is larger than the sum of its proper divisors (1).

68107469 is an equidigital number, since it uses as much as digits as its factorization.

68107469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 68107469 is about 8252.7249439200. The cubic root of 68107469 is about 408.3804222061.

The spelling of 68107469 in words is "sixty-eight million, one hundred seven thousand, four hundred sixty-nine".