68601943 has 2 divisors, whose sum is σ = 68601944. Its totient is φ = 68601942.

The previous prime is 68601937. The next prime is 68601983. The reversal of 68601943 is 34910686.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68601943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68601983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34300971 + 34300972.

It is an arithmetic number, because the mean of its divisors is an integer number (34300972).

Almost surely, 2^68601943 is an apocalyptic number.

68601943 is a deficient number, since it is larger than the sum of its proper divisors (1).

68601943 is an equidigital number, since it uses as much as digits as its factorization.

68601943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 68601943 is about 8282.6289908458. The cubic root of 68601943 is about 409.3663481885.

The spelling of 68601943 in words is "sixty-eight million, six hundred one thousand, nine hundred forty-three".