68189727 has 16 divisors (see below), whose sum is σ = 95880960. Its totient is φ = 42988032.

The previous prime is 68189717. The next prime is 68189731. The reversal of 68189727 is 72798186.

It is not a de Polignac number, because 68189727 - 2⁴ = 68189711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68189717) 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, 55423 + ... + 56639.

It is an arithmetic number, because the mean of its divisors is an integer number (5992560).

Almost surely, 2^68189727 is an apocalyptic number.

68189727 is a deficient number, since it is larger than the sum of its proper divisors (27691233).

68189727 is a wasteful number, since it uses less digits than its factorization.

68189727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222.

The product of its digits is 338688, while the sum is 48.

The square root of 68189727 is about 8257.7071272842. The cubic root of 68189727 is about 408.5447656197.

The spelling of 68189727 in words is "sixty-eight million, one hundred eighty-nine thousand, seven hundred twenty-seven".