68543927 has 4 divisors (see below), whose sum is σ = 68791656. Its totient is φ = 68296200.

The previous prime is 68543911. The next prime is 68543929. The reversal of 68543927 is 72934586.

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 68543927 - 2⁴ = 68543911 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 (68543929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123449 + ... + 124002.

It is an arithmetic number, because the mean of its divisors is an integer number (17197914).

Almost surely, 2^68543927 is an apocalyptic number.

68543927 is a deficient number, since it is larger than the sum of its proper divisors (247729).

68543927 is a wasteful number, since it uses less digits than its factorization.

68543927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247728.

The product of its digits is 362880, while the sum is 44.

The square root of 68543927 is about 8279.1259804402. The cubic root of 68543927 is about 409.2509165881.

The spelling of 68543927 in words is "sixty-eight million, five hundred forty-three thousand, nine hundred twenty-seven".