68084465 has 4 divisors (see below), whose sum is σ = 81701364. Its totient is φ = 54467568.

The previous prime is 68084459. The next prime is 68084519. The reversal of 68084465 is 56448086.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46022656 + 22061809 = 6784^2 + 4697^2 .

It is a cyclic number.

It is not a de Polignac number, because 68084465 - 2⁴ = 68084449 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 6808442 + ... + 6808451.

It is an arithmetic number, because the mean of its divisors is an integer number (20425341).

Almost surely, 2^68084465 is an apocalyptic number.

It is an amenable number.

68084465 is a deficient number, since it is larger than the sum of its proper divisors (13616899).

68084465 is a wasteful number, since it uses less digits than its factorization.

68084465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13616898.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 68084465 is about 8251.3311047370. The cubic root of 68084465 is about 408.3344387957.

The spelling of 68084465 in words is "sixty-eight million, eighty-four thousand, four hundred sixty-five".