68466009 has 16 divisors (see below), whose sum is σ = 96336000. Its totient is φ = 43165056.

The previous prime is 68465993. The next prime is 68466017. The reversal of 68466009 is 90066486.

It is not a de Polignac number, because 68466009 - 2⁴ = 68465993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68466029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567 + ... + 11715.

It is an arithmetic number, because the mean of its divisors is an integer number (6021000).

Almost surely, 2^68466009 is an apocalyptic number.

68466009 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

68466009 is a deficient number, since it is larger than the sum of its proper divisors (27869991).

68466009 is a wasteful number, since it uses less digits than its factorization.

68466009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11264.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 68466009 is about 8274.4189524099. The cubic root of 68466009 is about 409.0957844223.

The spelling of 68466009 in words is "sixty-eight million, four hundred sixty-six thousand, nine".