68444567 has 8 divisors (see below), whose sum is σ = 72592272. Its totient is φ = 64310400.

The previous prime is 68444531. The next prime is 68444591. The reversal of 68444567 is 76544486.

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

It is a cyclic number.

It is not a de Polignac number, because 68444567 - 2⁶ = 68444503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68441567) 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, 8192 + ... + 14282.

It is an arithmetic number, because the mean of its divisors is an integer number (9074034).

Almost surely, 2^68444567 is an apocalyptic number.

68444567 is a deficient number, since it is larger than the sum of its proper divisors (4147705).

68444567 is a wasteful number, since it uses less digits than its factorization.

68444567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6769.

The product of its digits is 645120, while the sum is 44.

The square root of 68444567 is about 8273.1231708467. The cubic root of 68444567 is about 409.0530734585.

It can be divided in two parts, 6844 and 4567, that added together give a palindrome (11411).

The spelling of 68444567 in words is "sixty-eight million, four hundred forty-four thousand, five hundred sixty-seven".