68756727 has 8 divisors (see below), whose sum is σ = 98727664. Its totient is φ = 42311808.

The previous prime is 68756719. The next prime is 68756731. The reversal of 68756727 is 72765786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68756727 - 2³ = 68756719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68756707) 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 7 ways as a sum of consecutive naturals, for example, 881458 + ... + 881535.

It is an arithmetic number, because the mean of its divisors is an integer number (12340958).

Almost surely, 2^68756727 is an apocalyptic number.

68756727 is a deficient number, since it is larger than the sum of its proper divisors (29970937).

68756727 is a wasteful number, since it uses less digits than its factorization.

68756727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763009.

The product of its digits is 987840, while the sum is 48.

The square root of 68756727 is about 8291.9676193290. The cubic root of 68756727 is about 409.6739962565.

The spelling of 68756727 in words is "sixty-eight million, seven hundred fifty-six thousand, seven hundred twenty-seven".