68077772 has 24 divisors (see below), whose sum is σ = 139324416. Its totient is φ = 28497168.

The previous prime is 68077759. The next prime is 68077777. The reversal of 68077772 is 27777086.

It is not an unprimeable number, because it can be changed into a prime (68077777) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27068 + ... + 29475.

It is an arithmetic number, because the mean of its divisors is an integer number (5805184).

Almost surely, 2^68077772 is an apocalyptic number.

It is an amenable number.

68077772 is an abundant number, since it is smaller than the sum of its proper divisors (71246644).

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

68077772 is a wasteful number, since it uses less digits than its factorization.

68077772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56597 (or 56595 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 44.

The square root of 68077772 is about 8250.9255238428. The cubic root of 68077772 is about 408.3210580048.

The spelling of 68077772 in words is "sixty-eight million, seventy-seven thousand, seven hundred seventy-two".