68606928 has 120 divisors (see below), whose sum is σ = 210243488. Its totient is φ = 20756736.

The previous prime is 68606903. The next prime is 68606947. The reversal of 68606928 is 82960686.

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 23 ways as a sum of consecutive naturals, for example, 125151 + ... + 125697.

Almost surely, 2^68606928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68606928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105121744).

68606928 is an abundant number, since it is smaller than the sum of its proper divisors (141636560).

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

68606928 is a wasteful number, since it uses less digits than its factorization.

68606928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 68606928 is about 8282.9299164004. The cubic root of 68606928 is about 409.3762635627.

The spelling of 68606928 in words is "sixty-eight million, six hundred six thousand, nine hundred twenty-eight".