68084565 has 16 divisors (see below), whose sum is σ = 109073088. Its totient is φ = 36265856.

The previous prime is 68084557. The next prime is 68084593. The reversal of 68084565 is 56548086.

It is a cyclic number.

It is not a de Polignac number, because 68084565 - 2³ = 68084557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11809 + ... + 16601.

It is an arithmetic number, because the mean of its divisors is an integer number (6817068).

Almost surely, 2^68084565 is an apocalyptic number.

It is an amenable number.

68084565 is a deficient number, since it is larger than the sum of its proper divisors (40988523).

68084565 is a wasteful number, since it uses less digits than its factorization.

68084565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 68084565 is about 8251.3371643631. The cubic root of 68084565 is about 408.3346387112.

The spelling of 68084565 in words is "sixty-eight million, eighty-four thousand, five hundred sixty-five".