68042648 has 32 divisors (see below), whose sum is σ = 140140800. Its totient is φ = 30827808.

The previous prime is 68042617. The next prime is 68042651. The reversal of 68042648 is 84624086.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6236 + ... + 13227.

It is an arithmetic number, because the mean of its divisors is an integer number (4379400).

Almost surely, 2^68042648 is an apocalyptic number.

It is an amenable number.

68042648 is an abundant number, since it is smaller than the sum of its proper divisors (72098152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68042648 is a wasteful number, since it uses less digits than its factorization.

68042648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19511 (or 19507 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 68042648 is about 8248.7967607403. The cubic root of 68042648 is about 408.2508229602.

The spelling of 68042648 in words is "sixty-eight million, forty-two thousand, six hundred forty-eight".