68376009 has 16 divisors (see below), whose sum is σ = 98340032. Its totient is φ = 42009408.

The previous prime is 68375999. The next prime is 68376017. The reversal of 68376009 is 90067386.

It is not a de Polignac number, because 68376009 - 2⁸ = 68375753 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68376029) 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, 34407 + ... + 36339.

It is an arithmetic number, because the mean of its divisors is an integer number (6146252).

Almost surely, 2^68376009 is an apocalyptic number.

It is an amenable number.

68376009 is a deficient number, since it is larger than the sum of its proper divisors (29964023).

68376009 is a wasteful number, since it uses less digits than its factorization.

68376009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 68376009 is about 8268.9787156577. The cubic root of 68376009 is about 408.9164508333.

The spelling of 68376009 in words is "sixty-eight million, three hundred seventy-six thousand, nine".