68056672 has 12 divisors (see below), whose sum is σ = 133986636. Its totient is φ = 34028320.

The previous prime is 68056631. The next prime is 68056673. The reversal of 68056672 is 27665086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68056673) 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 as a sum of consecutive naturals, namely, 1063354 + ... + 1063417.

It is an arithmetic number, because the mean of its divisors is an integer number (11165553).

Almost surely, 2^68056672 is an apocalyptic number.

It is an amenable number.

68056672 is a deficient number, since it is larger than the sum of its proper divisors (65929964).

68056672 is a wasteful number, since it uses less digits than its factorization.

68056672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126781 (or 2126773 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 68056672 is about 8249.6467803173. The cubic root of 68056672 is about 408.2788686855.

The spelling of 68056672 in words is "sixty-eight million, fifty-six thousand, six hundred seventy-two".