68027905 has 16 divisors (see below), whose sum is σ = 92928384. Its totient is φ = 47322880.

The previous prime is 68027903. The next prime is 68027957. The reversal of 68027905 is 50972086.

It is not a de Polignac number, because 68027905 - 2¹ = 68027903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68027903) 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 15 ways as a sum of consecutive naturals, for example, 25624 + ... + 28153.

It is an arithmetic number, because the mean of its divisors is an integer number (5808024).

Almost surely, 2^68027905 is an apocalyptic number.

It is an amenable number.

68027905 is a deficient number, since it is larger than the sum of its proper divisors (24900479).

68027905 is a wasteful number, since it uses less digits than its factorization.

68027905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53816.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 68027905 is about 8247.9030668407. The cubic root of 68027905 is about 408.2213351962.

The spelling of 68027905 in words is "sixty-eight million, twenty-seven thousand, nine hundred five".