68448308 has 6 divisors (see below), whose sum is σ = 119784546. Its totient is φ = 34224152.

The previous prime is 68448287. The next prime is 68448313. The reversal of 68448308 is 80384486.

It can be written as a sum of positive squares in only one way, i.e., 53993104 + 14455204 = 7348^2 + 3802^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8556035 + ... + 8556042.

It is an arithmetic number, because the mean of its divisors is an integer number (19964091).

Almost surely, 2^68448308 is an apocalyptic number.

It is an amenable number.

68448308 is a deficient number, since it is larger than the sum of its proper divisors (51336238).

68448308 is a wasteful number, since it uses less digits than its factorization.

68448308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17112081 (or 17112079 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 68448308 is about 8273.3492613330. The cubic root of 68448308 is about 409.0605259111.

The spelling of 68448308 in words is "sixty-eight million, four hundred forty-eight thousand, three hundred eight".