68434259 has 8 divisors (see below), whose sum is σ = 69105408. Its totient is φ = 67766400.

The previous prime is 68434243. The next prime is 68434279. The reversal of 68434259 is 95243486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68434259 - 2⁴ = 68434243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68434279) 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 7 ways as a sum of consecutive naturals, for example, 62414 + ... + 63500.

It is an arithmetic number, because the mean of its divisors is an integer number (8638176).

Almost surely, 2^68434259 is an apocalyptic number.

68434259 is a deficient number, since it is larger than the sum of its proper divisors (671149).

68434259 is a wasteful number, since it uses less digits than its factorization.

68434259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645.

The product of its digits is 207360, while the sum is 41.

The square root of 68434259 is about 8272.5001662134. The cubic root of 68434259 is about 409.0325374688.

It can be divided in two parts, 684 and 34259, that added together give a palindrome (34943).

The spelling of 68434259 in words is "sixty-eight million, four hundred thirty-four thousand, two hundred fifty-nine".