68682727 has 4 divisors (see below), whose sum is σ = 69362856. Its totient is φ = 68002600.

The previous prime is 68682721. The next prime is 68682781. The reversal of 68682727 is 72728686.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68682727 - 2²³ = 60294119 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 (68682721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339913 + ... + 340114.

It is an arithmetic number, because the mean of its divisors is an integer number (17340714).

Almost surely, 2^68682727 is an apocalyptic number.

68682727 is a deficient number, since it is larger than the sum of its proper divisors (680129).

68682727 is a wasteful number, since it uses less digits than its factorization.

68682727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680128.

The product of its digits is 451584, while the sum is 46.

The square root of 68682727 is about 8287.5042684755. The cubic root of 68682727 is about 409.5269718151.

The spelling of 68682727 in words is "sixty-eight million, six hundred eighty-two thousand, seven hundred twenty-seven".