68479768 has 16 divisors (see below), whose sum is σ = 146742480. Its totient is φ = 29348448.

The previous prime is 68479753. The next prime is 68479777. The reversal of 68479768 is 86797486.

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, 611371 + ... + 611482.

It is an arithmetic number, because the mean of its divisors is an integer number (9171405).

Almost surely, 2^68479768 is an apocalyptic number.

It is an amenable number.

68479768 is an abundant number, since it is smaller than the sum of its proper divisors (78262712).

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

68479768 is a wasteful number, since it uses less digits than its factorization.

68479768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222866 (or 1222862 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The square root of 68479768 is about 8275.2503285399. The cubic root of 68479768 is about 409.1231866908.

The spelling of 68479768 in words is "sixty-eight million, four hundred seventy-nine thousand, seven hundred sixty-eight".