68401927 has 4 divisors (see below), whose sum is σ = 74620296. Its totient is φ = 62183560.

The previous prime is 68401871. The next prime is 68401933. The reversal of 68401927 is 72910486.

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 68401927 - 2⁷ = 68401799 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 (68401987) 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 3 ways as a sum of consecutive naturals, for example, 3109168 + ... + 3109189.

It is an arithmetic number, because the mean of its divisors is an integer number (18655074).

Almost surely, 2^68401927 is an apocalyptic number.

68401927 is a deficient number, since it is larger than the sum of its proper divisors (6218369).

68401927 is a wasteful number, since it uses less digits than its factorization.

68401927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218368.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 68401927 is about 8270.5457498281. The cubic root of 68401927 is about 408.9681110473.

The spelling of 68401927 in words is "sixty-eight million, four hundred one thousand, nine hundred twenty-seven".