68241791 has 16 divisors (see below), whose sum is σ = 74317824. Its totient is φ = 62415744.

The previous prime is 68241769. The next prime is 68241809. The reversal of 68241791 is 19714286.

It is a cyclic number.

It is not a de Polignac number, because 68241791 - 2¹⁸ = 67979647 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 (68240791) 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 15 ways as a sum of consecutive naturals, for example, 177986 + ... + 178368.

It is an arithmetic number, because the mean of its divisors is an integer number (4644864).

Almost surely, 2^68241791 is an apocalyptic number.

68241791 is a deficient number, since it is larger than the sum of its proper divisors (6076033).

68241791 is a wasteful number, since it uses less digits than its factorization.

68241791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670.

The product of its digits is 24192, while the sum is 38.

The square root of 68241791 is about 8260.8589747072. The cubic root of 68241791 is about 408.6487160946.

The spelling of 68241791 in words is "sixty-eight million, two hundred forty-one thousand, seven hundred ninety-one".