68863293 has 6 divisors (see below), whose sum is σ = 99469214. Its totient is φ = 45908856.

The previous prime is 68863283. The next prime is 68863297. The reversal of 68863293 is 39236886.

68863293 is a `hidden beast` number, since 6 + 8 + 8 + 632 + 9 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 62299449 + 6563844 = 7893^2 + 2562^2 .

It is not a de Polignac number, because 68863293 - 2⁶ = 68863229 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 (68863297) 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 5 ways as a sum of consecutive naturals, for example, 3825730 + ... + 3825747.

Almost surely, 2^68863293 is an apocalyptic number.

It is an amenable number.

68863293 is a deficient number, since it is larger than the sum of its proper divisors (30605921).

68863293 is a wasteful number, since it uses less digits than its factorization.

68863293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651483 (or 7651480 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 68863293 is about 8298.3909886194. The cubic root of 68863293 is about 409.8855381452.

The spelling of 68863293 in words is "sixty-eight million, eight hundred sixty-three thousand, two hundred ninety-three".