68324629 has 2 divisors, whose sum is σ = 68324630. Its totient is φ = 68324628.

The previous prime is 68324611. The next prime is 68324653. The reversal of 68324629 is 92642386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57729604 + 10595025 = 7598^2 + 3255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68324629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68324591 and 68324600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68324429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34162314 + 34162315.

It is an arithmetic number, because the mean of its divisors is an integer number (34162315).

Almost surely, 2^68324629 is an apocalyptic number.

It is an amenable number.

68324629 is a deficient number, since it is larger than the sum of its proper divisors (1).

68324629 is an equidigital number, since it uses as much as digits as its factorization.

68324629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 40.

The square root of 68324629 is about 8265.8713394294. The cubic root of 68324629 is about 408.8140007083.

The spelling of 68324629 in words is "sixty-eight million, three hundred twenty-four thousand, six hundred twenty-nine".