68307767 has 12 divisors (see below), whose sum is σ = 75937680. Its totient is φ = 61390560.

The previous prime is 68307761. The next prime is 68307803. The reversal of 68307767 is 76770386.

It is not a de Polignac number, because 68307767 - 2⁶ = 68307703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68307761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7598 + ... + 13940.

It is an arithmetic number, because the mean of its divisors is an integer number (6328140).

Almost surely, 2^68307767 is an apocalyptic number.

68307767 is a deficient number, since it is larger than the sum of its proper divisors (7629913).

68307767 is a wasteful number, since it uses less digits than its factorization.

68307767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6454 (or 6443 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 68307767 is about 8264.8512993278. The cubic root of 68307767 is about 408.7803672102.

The spelling of 68307767 in words is "sixty-eight million, three hundred seven thousand, seven hundred sixty-seven".