71814404 has 12 divisors (see below), whose sum is σ = 125796300. Its totient is φ = 35872608.

The previous prime is 71814403. The next prime is 71814427. The reversal of 71814404 is 40441817.

It can be written as a sum of positive squares in 2 ways, for example, as 13322500 + 58491904 = 3650^2 + 7648^2 .

It is not an unprimeable number, because it can be changed into a prime (71814403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3659 + ... + 12530.

It is an arithmetic number, because the mean of its divisors is an integer number (10483025).

Almost surely, 2^71814404 is an apocalyptic number.

It is an amenable number.

71814404 is a deficient number, since it is larger than the sum of its proper divisors (53981896).

71814404 is a wasteful number, since it uses less digits than its factorization.

71814404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17302 (or 17300 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 71814404 is about 8474.3379682427. The cubic root of 71814404 is about 415.6589984738.

The spelling of 71814404 in words is "seventy-one million, eight hundred fourteen thousand, four hundred four".