71218114 has 32 divisors (see below), whose sum is σ = 120092544. Its totient is φ = 31399680.

The previous prime is 71218111. The next prime is 71218127. The reversal of 71218114 is 41181217.

It is not an unprimeable number, because it can be changed into a prime (71218111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119802 + ... + 120394.

It is an arithmetic number, because the mean of its divisors is an integer number (3752892).

Almost surely, 2^71218114 is an apocalyptic number.

71218114 is a deficient number, since it is larger than the sum of its proper divisors (48874430).

71218114 is a wasteful number, since it uses less digits than its factorization.

71218114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762.

The product of its digits is 448, while the sum is 25.

The square root of 71218114 is about 8439.0825330719. The cubic root of 71218114 is about 414.5053651033.

It can be divided in two parts, 7 and 1218114, that added together give a palindrome (1218121).

The spelling of 71218114 in words is "seventy-one million, two hundred eighteen thousand, one hundred fourteen".