84075717 has 16 divisors (see below), whose sum is σ = 122941440. Its totient is φ = 50684400.

The previous prime is 84075701. The next prime is 84075721. The reversal of 84075717 is 71757048.

It is not a de Polignac number, because 84075717 - 2⁴ = 84075701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84075757) 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 15 ways as a sum of consecutive naturals, for example, 367 + ... + 12972.

It is an arithmetic number, because the mean of its divisors is an integer number (7683840).

Almost surely, 2^84075717 is an apocalyptic number.

It is an amenable number.

84075717 is a deficient number, since it is larger than the sum of its proper divisors (38865723).

84075717 is a wasteful number, since it uses less digits than its factorization.

84075717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13544.

The product of its (nonzero) digits is 54880, while the sum is 39.

The square root of 84075717 is about 9169.2811604836. The cubic root of 84075717 is about 438.0834633798.

The spelling of 84075717 in words is "eighty-four million, seventy-five thousand, seven hundred seventeen".