68827393 has 6 divisors (see below), whose sum is σ = 69842162. Its totient is φ = 67814640.

The previous prime is 68827361. The next prime is 68827403. The reversal of 68827393 is 39372886.

It can be written as a sum of positive squares in only one way, i.e., 60341824 + 8485569 = 7768^2 + 2913^2 .

It is not a de Polignac number, because 68827393 - 2⁵ = 68827361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68827333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70398 + ... + 71368.

Almost surely, 2^68827393 is an apocalyptic number.

It is an amenable number.

68827393 is a deficient number, since it is larger than the sum of its proper divisors (1014769).

68827393 is an frugal number, since it uses more digits than its factorization.

68827393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015 (or 1044 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 68827393 is about 8296.2276367033. The cubic root of 68827393 is about 409.8142982147.

The spelling of 68827393 in words is "sixty-eight million, eight hundred twenty-seven thousand, three hundred ninety-three".