68480648 has 16 divisors (see below), whose sum is σ = 128824080. Its totient is φ = 34127568.

The previous prime is 68480647. The next prime is 68480663. The reversal of 68480648 is 84608486.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68480599 and 68480608.

It is not an unprimeable number, because it can be changed into a prime (68480647) 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, 11486 + ... + 16397.

It is an arithmetic number, because the mean of its divisors is an integer number (8051505).

Almost surely, 2^68480648 is an apocalyptic number.

It is an amenable number.

68480648 is a deficient number, since it is larger than the sum of its proper divisors (60343432).

68480648 is a wasteful number, since it uses less digits than its factorization.

68480648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28196 (or 28192 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 68480648 is about 8275.3034989661. The cubic root of 68480648 is about 409.1249391639.

The spelling of 68480648 in words is "sixty-eight million, four hundred eighty thousand, six hundred forty-eight".