68476648 has 16 divisors (see below), whose sum is σ = 130499460. Its totient is φ = 33676800.

The previous prime is 68476631. The next prime is 68476651. The reversal of 68476648 is 84667486.

It can be written as a sum of positive squares in 2 ways, for example, as 66292164 + 2184484 = 8142^2 + 1478^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 69673 + ... + 70648.

Almost surely, 2^68476648 is an apocalyptic number.

It is an amenable number.

68476648 is a deficient number, since it is larger than the sum of its proper divisors (62022812).

68476648 is a wasteful number, since it uses less digits than its factorization.

68476648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140388 (or 140384 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

The square root of 68476648 is about 8275.0618124580. The cubic root of 68476648 is about 409.1169732559.

The spelling of 68476648 in words is "sixty-eight million, four hundred seventy-six thousand, six hundred forty-eight".