68733910 has 16 divisors (see below), whose sum is σ = 141395616. Its totient is φ = 23565888.

The previous prime is 68733853. The next prime is 68733943. The reversal of 68733910 is 1933786.

It is a self number, because there is not a number n which added to its sum of digits gives 68733910.

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 7 ways as a sum of consecutive naturals, for example, 490887 + ... + 491026.

It is an arithmetic number, because the mean of its divisors is an integer number (8837226).

Almost surely, 2^68733910 is an apocalyptic number.

68733910 is an abundant number, since it is smaller than the sum of its proper divisors (72661706).

68733910 is a wasteful number, since it uses less digits than its factorization.

68733910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981927.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 68733910 is about 8290.5916556058. The cubic root of 68733910 is about 409.6286743117.

The spelling of 68733910 in words is "sixty-eight million, seven hundred thirty-three thousand, nine hundred ten".