35068639 has 2 divisors, whose sum is σ = 35068640. Its totient is φ = 35068638.

The previous prime is 35068613. The next prime is 35068643. The reversal of 35068639 is 93686053.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35068639 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35068609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17534319 + 17534320.

It is an arithmetic number, because the mean of its divisors is an integer number (17534320).

Almost surely, 2^35068639 is an apocalyptic number.

35068639 is a deficient number, since it is larger than the sum of its proper divisors (1).

35068639 is an equidigital number, since it uses as much as digits as its factorization.

35068639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 35068639 is about 5921.8779960415. The cubic root of 35068639 is about 327.3203225509.

The spelling of 35068639 in words is "thirty-five million, sixty-eight thousand, six hundred thirty-nine".