71148814 has 16 divisors (see below), whose sum is σ = 118336176. Its totient is φ = 31809600.

The previous prime is 71148811. The next prime is 71148823. The reversal of 71148814 is 41884117.

It is a self number, because there is not a number n which added to its sum of digits gives 71148814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71148811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25167 + ... + 27850.

It is an arithmetic number, because the mean of its divisors is an integer number (7396011).

Almost surely, 2^71148814 is an apocalyptic number.

71148814 is a deficient number, since it is larger than the sum of its proper divisors (47187362).

71148814 is a wasteful number, since it uses less digits than its factorization.

71148814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53091.

The product of its digits is 7168, while the sum is 34.

The square root of 71148814 is about 8434.9756371907. The cubic root of 71148814 is about 414.3708743002.

The spelling of 71148814 in words is "seventy-one million, one hundred forty-eight thousand, eight hundred fourteen".