68992727 has 2 divisors, whose sum is σ = 68992728. Its totient is φ = 68992726.

The previous prime is 68992723. The next prime is 68992733. The reversal of 68992727 is 72729986.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68992727 - 2² = 68992723 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68992723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34496363 + 34496364.

It is an arithmetic number, because the mean of its divisors is an integer number (34496364).

Almost surely, 2^68992727 is an apocalyptic number.

68992727 is a deficient number, since it is larger than the sum of its proper divisors (1).

68992727 is an equidigital number, since it uses as much as digits as its factorization.

68992727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 50.

The square root of 68992727 is about 8306.1860682265. The cubic root of 68992727 is about 410.1421815030.

The spelling of 68992727 in words is "sixty-eight million, nine hundred ninety-two thousand, seven hundred twenty-seven".