68426349 has 8 divisors (see below), whose sum is σ = 91694400. Its totient is φ = 45387936.

The previous prime is 68426333. The next prime is 68426381. The reversal of 68426349 is 94362486.

It is a happy number.

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

It is not a de Polignac number, because 68426349 - 2⁴ = 68426333 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68426349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68426329) 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, 56712 + ... + 57905.

It is an arithmetic number, because the mean of its divisors is an integer number (11461800).

Almost surely, 2^68426349 is an apocalyptic number.

It is an amenable number.

68426349 is a deficient number, since it is larger than the sum of its proper divisors (23268051).

68426349 is a wasteful number, since it uses less digits than its factorization.

68426349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114819.

The product of its digits is 248832, while the sum is 42.

The square root of 68426349 is about 8272.0220623497. The cubic root of 68426349 is about 409.0167774675.

The spelling of 68426349 in words is "sixty-eight million, four hundred twenty-six thousand, three hundred forty-nine".