77068 has 6 divisors (see below), whose sum is σ = 134876. Its totient is φ = 38532.

The previous prime is 77047. The next prime is 77069. The reversal of 77068 is 86077.

It is not an unprimeable number, because it can be changed into a prime (77069) by changing a digit.

77068 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9630 + ... + 9637.

2⁷⁷⁰⁶⁸ is an apocalyptic number.

It is an amenable number.

77068 is a deficient number, since it is larger than the sum of its proper divisors (57808).

77068 is a wasteful number, since it uses less digits than its factorization.

77068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19271 (or 19269 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 77068 is about 277.6112389656. The cubic root of 77068 is about 42.5557285083. Note that the first 3 decimals are identical.

Subtracting 77068 from its reverse (86077), we obtain a palindrome (9009).

It can be divided in two parts, 770 and 68, that added together give a palindrome (838).

The spelling of 77068 in words is "seventy-seven thousand, sixty-eight".