68891041 has 4 divisors (see below), whose sum is σ = 69386800. Its totient is φ = 68395284.

The previous prime is 68891027. The next prime is 68891063. The reversal of 68891041 is 14019886.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68891041 - 2⁹ = 68890529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68891071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247671 + ... + 247948.

It is an arithmetic number, because the mean of its divisors is an integer number (17346700).

Almost surely, 2^68891041 is an apocalyptic number.

It is an amenable number.

68891041 is a deficient number, since it is larger than the sum of its proper divisors (495759).

68891041 is a wasteful number, since it uses less digits than its factorization.

68891041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495758.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 68891041 is about 8300.0627106065. The cubic root of 68891041 is about 409.9405842912.

The spelling of 68891041 in words is "sixty-eight million, eight hundred ninety-one thousand, forty-one".