68448113 has 8 divisors (see below), whose sum is σ = 70430568. Its totient is φ = 66472704.

The previous prime is 68448073. The next prime is 68448119. The reversal of 68448113 is 31184486.

It can be written as a sum of positive squares in 4 ways, for example, as 11641744 + 56806369 = 3412^2 + 7537^2 .

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 68448113 - 2¹⁸ = 68185969 is a prime.

It is a super-3 number, since 3×68448113³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68448119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22745 + ... + 25577.

It is an arithmetic number, because the mean of its divisors is an integer number (8803821).

Almost surely, 2^68448113 is an apocalyptic number.

It is an amenable number.

68448113 is a deficient number, since it is larger than the sum of its proper divisors (1982455).

68448113 is a wasteful number, since it uses less digits than its factorization.

68448113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523.

The product of its digits is 18432, while the sum is 35.

The square root of 68448113 is about 8273.3374764964. The cubic root of 68448113 is about 409.0601374580.

The spelling of 68448113 in words is "sixty-eight million, four hundred forty-eight thousand, one hundred thirteen".