68426244 has 36 divisors (see below), whose sum is σ = 176992816. Its totient is φ = 22277808.

The previous prime is 68426231. The next prime is 68426249. The reversal of 68426244 is 44262486.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 68426199 and 68426208.

It is not an unprimeable number, because it can be changed into a prime (68426249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20554 + ... + 23649.

Almost surely, 2^68426244 is an apocalyptic number.

It is an amenable number.

68426244 is an abundant number, since it is smaller than the sum of its proper divisors (108566572).

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

68426244 is a wasteful number, since it uses less digits than its factorization.

68426244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44256 (or 44251 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 68426244 is about 8272.0157156524. The cubic root of 68426244 is about 409.0165682558.

The spelling of 68426244 in words is "sixty-eight million, four hundred twenty-six thousand, two hundred forty-four".