68836893 has 16 divisors (see below), whose sum is σ = 98832960. Its totient is φ = 42457856.

The previous prime is 68836871. The next prime is 68836897. The reversal of 68836893 is 39863886.

It is a cyclic number.

It is not a de Polignac number, because 68836893 - 2⁹ = 68836381 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68836897) 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 15 ways as a sum of consecutive naturals, for example, 8430 + ... + 14447.

It is an arithmetic number, because the mean of its divisors is an integer number (6177060).

Almost surely, 2^68836893 is an apocalyptic number.

It is an amenable number.

68836893 is a deficient number, since it is larger than the sum of its proper divisors (29996067).

68836893 is a wasteful number, since it uses less digits than its factorization.

68836893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22956.

The product of its digits is 1492992, while the sum is 51.

The square root of 68836893 is about 8296.8001663292. The cubic root of 68836893 is about 409.8331524167.

The spelling of 68836893 in words is "sixty-eight million, eight hundred thirty-six thousand, eight hundred ninety-three".