68994361 has 2 divisors, whose sum is σ = 68994362. Its totient is φ = 68994360.

The previous prime is 68994323. The next prime is 68994371. The reversal of 68994361 is 16349986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36675136 + 32319225 = 6056^2 + 5685^2 .

It is a cyclic number.

It is not a de Polignac number, because 68994361 - 2⁹ = 68993849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68994311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34497180 + 34497181.

It is an arithmetic number, because the mean of its divisors is an integer number (34497181).

Almost surely, 2^68994361 is an apocalyptic number.

It is an amenable number.

68994361 is a deficient number, since it is larger than the sum of its proper divisors (1).

68994361 is an equidigital number, since it uses as much as digits as its factorization.

68994361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 46.

The square root of 68994361 is about 8306.2844280701. The cubic root of 68994361 is about 410.1454193662.

The spelling of 68994361 in words is "sixty-eight million, nine hundred ninety-four thousand, three hundred sixty-one".