68867635 has 16 divisors (see below), whose sum is σ = 86538816. Its totient is φ = 52512768.

The previous prime is 68867633. The next prime is 68867641. The reversal of 68867635 is 53676886.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 68867635 - 2¹ = 68867633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68867633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37867 + ... + 39643.

It is an arithmetic number, because the mean of its divisors is an integer number (5408676).

Almost surely, 2^68867635 is an apocalyptic number.

68867635 is a deficient number, since it is larger than the sum of its proper divisors (17671181).

68867635 is a wasteful number, since it uses less digits than its factorization.

68867635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142.

The product of its digits is 1451520, while the sum is 49.

The square root of 68867635 is about 8298.6526014769. The cubic root of 68867635 is about 409.8941527279.

The spelling of 68867635 in words is "sixty-eight million, eight hundred sixty-seven thousand, six hundred thirty-five".