71018230 has 16 divisors (see below), whose sum is σ = 128574864. Its totient is φ = 28242400.

The previous prime is 71018209. The next prime is 71018237. The reversal of 71018230 is 3281017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71018237) 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, 18796 + ... + 22255.

It is an arithmetic number, because the mean of its divisors is an integer number (8035929).

Almost surely, 2^71018230 is an apocalyptic number.

71018230 is a deficient number, since it is larger than the sum of its proper divisors (57556634).

71018230 is a wasteful number, since it uses less digits than its factorization.

71018230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41231.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 71018230 is about 8427.2314552289. The cubic root of 71018230 is about 414.1172118661.

Adding to 71018230 its reverse (3281017), we get a palindrome (74299247).

The spelling of 71018230 in words is "seventy-one million, eighteen thousand, two hundred thirty".