68007629 has 2 divisors, whose sum is σ = 68007630. Its totient is φ = 68007628.

The previous prime is 68007617. The next prime is 68007647. The reversal of 68007629 is 92670086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44222500 + 23785129 = 6650^2 + 4877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68007629 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68007592 and 68007601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68007679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34003814 + 34003815.

It is an arithmetic number, because the mean of its divisors is an integer number (34003815).

Almost surely, 2^68007629 is an apocalyptic number.

It is an amenable number.

68007629 is a deficient number, since it is larger than the sum of its proper divisors (1).

68007629 is an equidigital number, since it uses as much as digits as its factorization.

68007629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 68007629 is about 8246.6738143327. The cubic root of 68007629 is about 408.1807738105.

The spelling of 68007629 in words is "sixty-eight million, seven thousand, six hundred twenty-nine".