68430009 has 8 divisors (see below), whose sum is σ = 91639360. Its totient is φ = 45420336.

The previous prime is 68429987. The next prime is 68430017. The reversal of 68430009 is 90003486.

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

It is not a de Polignac number, because 68430009 - 2⁹ = 68429497 is a prime.

It is a super-2 number, since 2×68430009² = 9365332263480162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68430079) 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, 49117 + ... + 50490.

It is an arithmetic number, because the mean of its divisors is an integer number (11454920).

Almost surely, 2^68430009 is an apocalyptic number.

It is an amenable number.

68430009 is a deficient number, since it is larger than the sum of its proper divisors (23209351).

68430009 is a wasteful number, since it uses less digits than its factorization.

68430009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99839.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 68430009 is about 8272.2432870413. The cubic root of 68430009 is about 409.0240698567.

The spelling of 68430009 in words is "sixty-eight million, four hundred thirty thousand, nine".