68888272 has 20 divisors (see below), whose sum is σ = 133786080. Its totient is φ = 34362848.

The previous prime is 68888269. The next prime is 68888297. The reversal of 68888272 is 27288886.

It is a congruent number.

It is an unprimeable number.

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, 2229 + ... + 11947.

It is an arithmetic number, because the mean of its divisors is an integer number (6689304).

Almost surely, 2^68888272 is an apocalyptic number.

It is an amenable number.

68888272 is a deficient number, since it is larger than the sum of its proper divisors (64897808).

68888272 is a wasteful number, since it uses less digits than its factorization.

68888272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170 (or 10164 counting only the distinct ones).

The product of its digits is 688128, while the sum is 49.

The square root of 68888272 is about 8299.8959029617. The cubic root of 68888272 is about 409.9350918465.

The spelling of 68888272 in words is "sixty-eight million, eight hundred eighty-eight thousand, two hundred seventy-two".