68235738 has 8 divisors (see below), whose sum is σ = 136471488. Its totient is φ = 22745244.

The previous prime is 68235731. The next prime is 68235763. The reversal of 68235738 is 83753286.

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

68235738 is an admirable number.

It is a super-2 number, since 2×68235738² = 9312231880809288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68235738.

It is not an unprimeable number, because it can be changed into a prime (68235731) 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, 5686306 + ... + 5686317.

It is an arithmetic number, because the mean of its divisors is an integer number (17058936).

Almost surely, 2^68235738 is an apocalyptic number.

68235738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68235738 is a wasteful number, since it uses less digits than its factorization.

68235738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11372628.

The product of its digits is 241920, while the sum is 42.

The square root of 68235738 is about 8260.4926003235. The cubic root of 68235738 is about 408.6366334506.

It can be divided in two parts, 6823 and 5738, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 68235738 in words is "sixty-eight million, two hundred thirty-five thousand, seven hundred thirty-eight".