68065005 has 16 divisors (see below), whose sum is σ = 109056384. Its totient is φ = 36250560.

The previous prime is 68064979. The next prime is 68065021. The reversal of 68065005 is 50056086.

It is not a de Polignac number, because 68065005 - 2⁷ = 68064877 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9552 + ... + 15078.

It is an arithmetic number, because the mean of its divisors is an integer number (6816024).

Almost surely, 2^68065005 is an apocalyptic number.

It is an amenable number.

68065005 is a deficient number, since it is larger than the sum of its proper divisors (40991379).

68065005 is a wasteful number, since it uses less digits than its factorization.

68065005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6356.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 68065005 is about 8250.1518167849. The cubic root of 68065005 is about 408.2955315091.

It can be divided in two parts, 6806 and 5005, that added together give a palindrome (11811).

The spelling of 68065005 in words is "sixty-eight million, sixty-five thousand, five".