68767641 has 24 divisors (see below), whose sum is σ = 103574016. Its totient is φ = 43917120.

The previous prime is 68767597. The next prime is 68767651. The reversal of 68767641 is 14676786.

It is not a de Polignac number, because 68767641 - 2⁷ = 68767513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68767651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27541 + ... + 29933.

It is an arithmetic number, because the mean of its divisors is an integer number (4315584).

Almost surely, 2^68767641 is an apocalyptic number.

It is an amenable number.

68767641 is a deficient number, since it is larger than the sum of its proper divisors (34806375).

68767641 is a wasteful number, since it uses less digits than its factorization.

68767641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533 (or 2530 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 68767641 is about 8292.6256999819. The cubic root of 68767641 is about 409.6956714469.

The spelling of 68767641 in words is "sixty-eight million, seven hundred sixty-seven thousand, six hundred forty-one".