75684085 has 16 divisors (see below), whose sum is σ = 98404416. Its totient is φ = 55657728.

The previous prime is 75684061. The next prime is 75684109. The reversal of 75684085 is 58048657.

It is an interprime number because it is at equal distance from previous prime (75684061) and next prime (75684109).

It is not a de Polignac number, because 75684085 - 2¹³ = 75675893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

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, 6699 + ... + 14008.

It is an arithmetic number, because the mean of its divisors is an integer number (6150276).

Almost surely, 2^75684085 is an apocalyptic number.

It is an amenable number.

75684085 is a deficient number, since it is larger than the sum of its proper divisors (22720331).

75684085 is a wasteful number, since it uses less digits than its factorization.

75684085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20772.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 75684085 is about 8699.6600508296. The cubic root of 75684085 is about 422.9946309494.

The spelling of 75684085 in words is "seventy-five million, six hundred eighty-four thousand, eighty-five".