68234391 has 6 divisors (see below), whose sum is σ = 98560800. Its totient is φ = 45489588.

The previous prime is 68234381. The next prime is 68234393. The reversal of 68234391 is 19343286.

It is not a de Polignac number, because 68234391 - 2¹⁰ = 68233367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68234393) 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 5 ways as a sum of consecutive naturals, for example, 3790791 + ... + 3790808.

It is an arithmetic number, because the mean of its divisors is an integer number (16426800).

Almost surely, 2^68234391 is an apocalyptic number.

68234391 is a deficient number, since it is larger than the sum of its proper divisors (30326409).

68234391 is a wasteful number, since it uses less digits than its factorization.

68234391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7581605 (or 7581602 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 68234391 is about 8260.4110672533. The cubic root of 68234391 is about 408.6339445508.

The spelling of 68234391 in words is "sixty-eight million, two hundred thirty-four thousand, three hundred ninety-one".