68244838 has 4 divisors (see below), whose sum is σ = 102367260. Its totient is φ = 34122418.

The previous prime is 68244833. The next prime is 68244863. The reversal of 68244838 is 83844286.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 68244794 and 68244803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68244833) 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 as a sum of consecutive naturals, namely, 17061208 + ... + 17061211.

It is an arithmetic number, because the mean of its divisors is an integer number (25591815).

Almost surely, 2^68244838 is an apocalyptic number.

68244838 is a deficient number, since it is larger than the sum of its proper divisors (34122422).

68244838 is a wasteful number, since it uses less digits than its factorization.

68244838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34122421.

The product of its digits is 294912, while the sum is 43.

The square root of 68244838 is about 8261.0433965692. The cubic root of 68244838 is about 408.6547980672.

The spelling of 68244838 in words is "sixty-eight million, two hundred forty-four thousand, eight hundred thirty-eight".