68776738 has 8 divisors (see below), whose sum is σ = 103201488. Its totient is φ = 34376244.

The previous prime is 68776727. The next prime is 68776787. The reversal of 68776738 is 83767786.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 5245 + ... + 12847.

It is an arithmetic number, because the mean of its divisors is an integer number (12900186).

Almost surely, 2^68776738 is an apocalyptic number.

68776738 is a deficient number, since it is larger than the sum of its proper divisors (34424750).

68776738 is a wasteful number, since it uses less digits than its factorization.

68776738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12128.

The product of its digits is 2370816, while the sum is 52.

The square root of 68776738 is about 8293.1741812167. The cubic root of 68776738 is about 409.7137363252.

The spelling of 68776738 in words is "sixty-eight million, seven hundred seventy-six thousand, seven hundred thirty-eight".