75218 has 16 divisors (see below), whose sum is σ = 133056. Its totient is φ = 31440.

The previous prime is 75217. The next prime is 75223. The reversal of 75218 is 81257.

It is a junction number, because it is equal to n+sod(n) for n = 75193 and 75202.

It is not an unprimeable number, because it can be changed into a prime (75211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155 + ... + 417.

It is an arithmetic number, because the mean of its divisors is an integer number (8316).

2⁷⁵²¹⁸ is an apocalyptic number.

75218 is a deficient number, since it is larger than the sum of its proper divisors (57838).

75218 is a wasteful number, since it uses less digits than its factorization.

75218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289.

The product of its digits is 560, while the sum is 23.

The square root of 75218 is about 274.2590016754. The cubic root of 75218 is about 42.2124533674.

It can be divided in two parts, 7 and 5218, that added together give a palindrome (5225).

The spelling of 75218 in words is "seventy-five thousand, two hundred eighteen".