68845634 has 16 divisors (see below), whose sum is σ = 121322880. Its totient is φ = 28886160.

The previous prime is 68845633. The next prime is 68845661. The reversal of 68845634 is 43654886.

It is not an unprimeable number, because it can be changed into a prime (68845633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120074 + ... + 120645.

It is an arithmetic number, because the mean of its divisors is an integer number (7582680).

Almost surely, 2^68845634 is an apocalyptic number.

68845634 is a deficient number, since it is larger than the sum of its proper divisors (52477246).

68845634 is a wasteful number, since it uses less digits than its factorization.

68845634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240745.

The product of its digits is 552960, while the sum is 44.

The square root of 68845634 is about 8297.3269189541. The cubic root of 68845634 is about 409.8504987350.

The spelling of 68845634 in words is "sixty-eight million, eight hundred forty-five thousand, six hundred thirty-four".