68241947 has 2 divisors, whose sum is σ = 68241948. Its totient is φ = 68241946.

The previous prime is 68241941. The next prime is 68242003. The reversal of 68241947 is 74914286.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68241947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68241941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34120973 + 34120974.

It is an arithmetic number, because the mean of its divisors is an integer number (34120974).

Almost surely, 2^68241947 is an apocalyptic number.

68241947 is a deficient number, since it is larger than the sum of its proper divisors (1).

68241947 is an equidigital number, since it uses as much as digits as its factorization.

68241947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 68241947 is about 8260.8684168191. The cubic root of 68241947 is about 408.6490274833.

The spelling of 68241947 in words is "sixty-eight million, two hundred forty-one thousand, nine hundred forty-seven".