68706229 has 2 divisors, whose sum is σ = 68706230. Its totient is φ = 68706228.

The previous prime is 68706173. The next prime is 68706233. The reversal of 68706229 is 92260786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37088100 + 31618129 = 6090^2 + 5623^2 .

It is a cyclic number.

It is not a de Polignac number, because 68706229 - 2⁹ = 68705717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68706191 and 68706200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68706269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34353114 + 34353115.

It is an arithmetic number, because the mean of its divisors is an integer number (34353115).

Almost surely, 2^68706229 is an apocalyptic number.

It is an amenable number.

68706229 is a deficient number, since it is larger than the sum of its proper divisors (1).

68706229 is an equidigital number, since it uses as much as digits as its factorization.

68706229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 68706229 is about 8288.9220650215. The cubic root of 68706229 is about 409.5736774218.

The spelling of 68706229 in words is "sixty-eight million, seven hundred six thousand, two hundred twenty-nine".