68076768 has 48 divisors (see below), whose sum is σ = 179156880. Its totient is φ = 22634496.

The previous prime is 68076733. The next prime is 68076773. The reversal of 68076768 is 86767086.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54778 + ... + 56006.

It is an arithmetic number, because the mean of its divisors is an integer number (3732435).

Almost surely, 2^68076768 is an apocalyptic number.

It is an amenable number.

68076768 is an abundant number, since it is smaller than the sum of its proper divisors (111080112).

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

68076768 is a wasteful number, since it uses less digits than its factorization.

68076768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819 (or 1811 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 68076768 is about 8250.8646819591. The cubic root of 68076768 is about 408.3190507106.

The spelling of 68076768 in words is "sixty-eight million, seventy-six thousand, seven hundred sixty-eight".