84068709 has 8 divisors (see below), whose sum is σ = 115956960. Its totient is φ = 54113136.

The previous prime is 84068707. The next prime is 84068713. The reversal of 84068709 is 90786048.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84068709 - 2¹ = 84068707 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84068701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483067 + ... + 483240.

It is an arithmetic number, because the mean of its divisors is an integer number (14494620).

Almost surely, 2^84068709 is an apocalyptic number.

It is an amenable number.

84068709 is a deficient number, since it is larger than the sum of its proper divisors (31888251).

84068709 is a wasteful number, since it uses less digits than its factorization.

84068709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966339.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 84068709 is about 9168.8990069692. The cubic root of 84068709 is about 438.0712911208.

The spelling of 84068709 in words is "eighty-four million, sixty-eight thousand, seven hundred nine".