68864469 has 8 divisors (see below), whose sum is σ = 91867680. Its totient is φ = 45885456.

The previous prime is 68864459. The next prime is 68864479. The reversal of 68864469 is 96446886.

It is an interprime number because it is at equal distance from previous prime (68864459) and next prime (68864479).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68864469 - 2²⁰ = 67815893 is a prime.

It is a super-2 number, since 2×68864469² = 9484630181303922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68864429) 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 7 ways as a sum of consecutive naturals, for example, 2202 + ... + 11940.

It is an arithmetic number, because the mean of its divisors is an integer number (11483460).

Almost surely, 2^68864469 is an apocalyptic number.

It is an amenable number.

68864469 is a deficient number, since it is larger than the sum of its proper divisors (23003211).

68864469 is a wasteful number, since it uses less digits than its factorization.

68864469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12099.

The product of its digits is 1990656, while the sum is 51.

The square root of 68864469 is about 8298.4618454265. The cubic root of 68864469 is about 409.8878713798.

The spelling of 68864469 in words is "sixty-eight million, eight hundred sixty-four thousand, four hundred sixty-nine".