75018 has 8 divisors (see below), whose sum is σ = 150048. Its totient is φ = 25004.

The previous prime is 75017. The next prime is 75029. The reversal of 75018 is 81057.

It is a happy number.

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

75018 is an admirable number.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 74985 and 75003.

It is not an unprimeable number, because it can be changed into a prime (75011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6246 + ... + 6257.

It is an arithmetic number, because the mean of its divisors is an integer number (18756).

2⁷⁵⁰¹⁸ is an apocalyptic number.

75018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75024).

75018 is a wasteful number, since it uses less digits than its factorization.

75018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12508.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 75018 is about 273.8941401345. The cubic root of 75018 is about 42.1750067259.

The spelling of 75018 in words is "seventy-five thousand, eighteen".