68675947 has 2 divisors, whose sum is σ = 68675948. Its totient is φ = 68675946.

The previous prime is 68675927. The next prime is 68675989. The reversal of 68675947 is 74957686.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68675947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68675894 and 68675903.

It is not a weakly prime, because it can be changed into another prime (68675927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34337973 + 34337974.

It is an arithmetic number, because the mean of its divisors is an integer number (34337974).

Almost surely, 2^68675947 is an apocalyptic number.

68675947 is a deficient number, since it is larger than the sum of its proper divisors (1).

68675947 is an equidigital number, since it uses as much as digits as its factorization.

68675947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 52.

The square root of 68675947 is about 8287.0952088171. The cubic root of 68675947 is about 409.5134959173.

The spelling of 68675947 in words is "sixty-eight million, six hundred seventy-five thousand, nine hundred forty-seven".