68826239 has 4 divisors (see below), whose sum is σ = 69954600. Its totient is φ = 67697880.

The previous prime is 68826223. The next prime is 68826257. The reversal of 68826239 is 93262886.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93262886 = 2 ⋅46631443.

It is a cyclic number.

It is not a de Polignac number, because 68826239 - 2⁴ = 68826223 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 68826239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68826209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564089 + ... + 564210.

It is an arithmetic number, because the mean of its divisors is an integer number (17488650).

Almost surely, 2^68826239 is an apocalyptic number.

68826239 is a deficient number, since it is larger than the sum of its proper divisors (1128361).

68826239 is a wasteful number, since it uses less digits than its factorization.

68826239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128360.

The product of its digits is 248832, while the sum is 44.

The square root of 68826239 is about 8296.1580867291. The cubic root of 68826239 is about 409.8120078071.

The spelling of 68826239 in words is "sixty-eight million, eight hundred twenty-six thousand, two hundred thirty-nine".