68918269 has 8 divisors (see below), whose sum is σ = 78841280. Its totient is φ = 59014656.

The previous prime is 68918249. The next prime is 68918321. The reversal of 68918269 is 96281986.

It is a happy number.

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 68918269 - 2²³ = 60529661 is a prime.

It is a super-2 number, since 2×68918269² = 9499455603912722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68918219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3802 + ... + 12340.

It is an arithmetic number, because the mean of its divisors is an integer number (9855160).

Almost surely, 2^68918269 is an apocalyptic number.

It is an amenable number.

68918269 is a deficient number, since it is larger than the sum of its proper divisors (9923011).

68918269 is a wasteful number, since it uses less digits than its factorization.

68918269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9699.

The product of its digits is 373248, while the sum is 49.

The square root of 68918269 is about 8301.7027771416. The cubic root of 68918269 is about 409.9945845011.

The spelling of 68918269 in words is "sixty-eight million, nine hundred eighteen thousand, two hundred sixty-nine".