68230009 has 4 divisors (see below), whose sum is σ = 69093760. Its totient is φ = 67366260.

The previous prime is 68230003. The next prime is 68230013. The reversal of 68230009 is 90003286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90003286 = 2 ⋅45001643.

It is a cyclic number.

It is not a de Polignac number, because 68230009 - 2⁷ = 68229881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68230003) 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, 431757 + ... + 431914.

It is an arithmetic number, because the mean of its divisors is an integer number (17273440).

Almost surely, 2^68230009 is an apocalyptic number.

It is an amenable number.

68230009 is a deficient number, since it is larger than the sum of its proper divisors (863751).

68230009 is an equidigital number, since it uses as much as digits as its factorization.

68230009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863750.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 68230009 is about 8260.1458219574. The cubic root of 68230009 is about 408.6251968981.

The spelling of 68230009 in words is "sixty-eight million, two hundred thirty thousand, nine".