68797751 has 8 divisors (see below), whose sum is σ = 75114000. Its totient is φ = 62491840.

The previous prime is 68797747. The next prime is 68797777. The reversal of 68797751 is 15779786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68797751 - 2² = 68797747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68797751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68797051) 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 7 ways as a sum of consecutive naturals, for example, 19835 + ... + 23043.

It is an arithmetic number, because the mean of its divisors is an integer number (9389250).

Almost surely, 2^68797751 is an apocalyptic number.

68797751 is a deficient number, since it is larger than the sum of its proper divisors (6316249).

68797751 is a wasteful number, since it uses less digits than its factorization.

68797751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5169.

The product of its digits is 740880, while the sum is 50.

The square root of 68797751 is about 8294.4409697098. The cubic root of 68797751 is about 409.7554579806.

The spelling of 68797751 in words is "sixty-eight million, seven hundred ninety-seven thousand, seven hundred fifty-one".