71041218 has 16 divisors (see below), whose sum is σ = 142166496. Its totient is φ = 23666400.

The previous prime is 71041193. The next prime is 71041219. The reversal of 71041218 is 81214017.

It is not an unprimeable number, because it can be changed into a prime (71041219) 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, 15030 + ... + 19182.

It is an arithmetic number, because the mean of its divisors is an integer number (8885406).

Almost surely, 2^71041218 is an apocalyptic number.

71041218 is an abundant number, since it is smaller than the sum of its proper divisors (71125278).

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

71041218 is a wasteful number, since it uses less digits than its factorization.

71041218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7009.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 71041218 is about 8428.5952566249. The cubic root of 71041218 is about 414.1618891248.

The spelling of 71041218 in words is "seventy-one million, forty-one thousand, two hundred eighteen".