68788472 has 16 divisors (see below), whose sum is σ = 129458400. Its totient is φ = 34266240.

The previous prime is 68788471. The next prime is 68788501. The reversal of 68788472 is 27488786.

It is a self number, because there is not a number n which added to its sum of digits gives 68788472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68788471) 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 in 3 ways as a sum of consecutive naturals, for example, 13697 + ... + 18032.

It is an arithmetic number, because the mean of its divisors is an integer number (8091150).

Almost surely, 2^68788472 is an apocalyptic number.

It is an amenable number.

68788472 is a deficient number, since it is larger than the sum of its proper divisors (60669928).

68788472 is a wasteful number, since it uses less digits than its factorization.

68788472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32006 (or 32002 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 50.

The square root of 68788472 is about 8293.8816003124. The cubic root of 68788472 is about 409.7370354218.

The spelling of 68788472 in words is "sixty-eight million, seven hundred eighty-eight thousand, four hundred seventy-two".