68738872 has 16 divisors (see below), whose sum is σ = 129024000. Its totient is φ = 34332480.

The previous prime is 68738867. The next prime is 68738899. The reversal of 68738872 is 27883786.

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 3 ways as a sum of consecutive naturals, for example, 4297 + ... + 12487.

It is an arithmetic number, because the mean of its divisors is an integer number (8064000).

Almost surely, 2^68738872 is an apocalyptic number.

It is an amenable number.

68738872 is a deficient number, since it is larger than the sum of its proper divisors (60285128).

68738872 is a wasteful number, since it uses less digits than its factorization.

68738872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9246 (or 9242 counting only the distinct ones).

The product of its digits is 903168, while the sum is 49.

The square root of 68738872 is about 8290.8909050837. The cubic root of 68738872 is about 409.6385313026.

The spelling of 68738872 in words is "sixty-eight million, seven hundred thirty-eight thousand, eight hundred seventy-two".