68683489 has 8 divisors (see below), whose sum is σ = 78903680. Its totient is φ = 58565376.

The previous prime is 68683481. The next prime is 68683523. The reversal of 68683489 is 98438686.

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 68683489 - 2³ = 68683481 is a prime.

It is a super-2 number, since 2×68683489² = 9434843322426242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68683481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24069 + ... + 26770.

It is an arithmetic number, because the mean of its divisors is an integer number (9862960).

Almost surely, 2^68683489 is an apocalyptic number.

It is an amenable number.

68683489 is a deficient number, since it is larger than the sum of its proper divisors (10220191).

68683489 is a wasteful number, since it uses less digits than its factorization.

68683489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51039.

The product of its digits is 1990656, while the sum is 52.

The square root of 68683489 is about 8287.5502411750. The cubic root of 68683489 is about 409.5284863075.

The spelling of 68683489 in words is "sixty-eight million, six hundred eighty-three thousand, four hundred eighty-nine".