68110643 has 4 divisors (see below), whose sum is σ = 68272848. Its totient is φ = 67948440.

The previous prime is 68110639. The next prime is 68110703. The reversal of 68110643 is 34601186.

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 68110643 - 2² = 68110639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68110043) 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, 80471 + ... + 81312.

It is an arithmetic number, because the mean of its divisors is an integer number (17068212).

Almost surely, 2^68110643 is an apocalyptic number.

68110643 is a deficient number, since it is larger than the sum of its proper divisors (162205).

68110643 is a wasteful number, since it uses less digits than its factorization.

68110643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162204.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 68110643 is about 8252.9172418000. The cubic root of 68110643 is about 408.3867660005.

The spelling of 68110643 in words is "sixty-eight million, one hundred ten thousand, six hundred forty-three".