68926427 has 4 divisors (see below), whose sum is σ = 69122040. Its totient is φ = 68730816.

The previous prime is 68926421. The next prime is 68926441. The reversal of 68926427 is 72462986.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72462986 = 2 ⋅36231493.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68926427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68926421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97277 + ... + 97982.

It is an arithmetic number, because the mean of its divisors is an integer number (17280510).

Almost surely, 2^68926427 is an apocalyptic number.

68926427 is a deficient number, since it is larger than the sum of its proper divisors (195613).

68926427 is a wasteful number, since it uses less digits than its factorization.

68926427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195612.

The product of its digits is 290304, while the sum is 44.

The square root of 68926427 is about 8302.1941075839. The cubic root of 68926427 is about 410.0107611691.

The spelling of 68926427 in words is "sixty-eight million, nine hundred twenty-six thousand, four hundred twenty-seven".