75087 has 14 divisors (see below), whose sum is σ = 113672. Its totient is φ = 49572.

The previous prime is 75083. The next prime is 75109. The reversal of 75087 is 78057.

It is not a de Polignac number, because 75087 - 2² = 75083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75083) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 678 + ... + 780.

2⁷⁵⁰⁸⁷ is an apocalyptic number.

75087 is a deficient number, since it is larger than the sum of its proper divisors (38585).

75087 is an equidigital number, since it uses as much as digits as its factorization.

75087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 75087 is about 274.0200722575. The cubic root of 75087 is about 42.1879333289.

The spelling of 75087 in words is "seventy-five thousand, eighty-seven".