68750147 has 2 divisors, whose sum is σ = 68750148. Its totient is φ = 68750146.

The previous prime is 68750117. The next prime is 68750161. The reversal of 68750147 is 74105786.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68750147 - 2¹⁶ = 68684611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68750147.

It is not a weakly prime, because it can be changed into another prime (68750117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34375073 + 34375074.

It is an arithmetic number, because the mean of its divisors is an integer number (34375074).

Almost surely, 2^68750147 is an apocalyptic number.

68750147 is a deficient number, since it is larger than the sum of its proper divisors (1).

68750147 is an equidigital number, since it uses as much as digits as its factorization.

68750147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 68750147 is about 8291.5708403173. The cubic root of 68750147 is about 409.6609272764.

The spelling of 68750147 in words is "sixty-eight million, seven hundred fifty thousand, one hundred forty-seven".