68444349 has 4 divisors (see below), whose sum is σ = 91259136. Its totient is φ = 45629564.

The previous prime is 68444303. The next prime is 68444371. The reversal of 68444349 is 94344486.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68444349 - 2¹⁷ = 68313277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68444349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68444149) 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, 11407389 + ... + 11407394.

It is an arithmetic number, because the mean of its divisors is an integer number (22814784).

Almost surely, 2^68444349 is an apocalyptic number.

It is an amenable number.

68444349 is a deficient number, since it is larger than the sum of its proper divisors (22814787).

68444349 is a wasteful number, since it uses less digits than its factorization.

68444349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22814786.

The product of its digits is 331776, while the sum is 42.

The square root of 68444349 is about 8273.1099956425. The cubic root of 68444349 is about 409.0526391720.

The spelling of 68444349 in words is "sixty-eight million, four hundred forty-four thousand, three hundred forty-nine".