71044004 has 12 divisors (see below), whose sum is σ = 125428044. Its totient is φ = 35207424.

The previous prime is 71043977. The next prime is 71044013. The reversal of 71044004 is 40044017.

It can be written as a sum of positive squares in 2 ways, for example, as 36844900 + 34199104 = 6070^2 + 5848^2 .

It is an unprimeable number.

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, 78137 + ... + 79040.

It is an arithmetic number, because the mean of its divisors is an integer number (10452337).

Almost surely, 2^71044004 is an apocalyptic number.

It is an amenable number.

71044004 is a deficient number, since it is larger than the sum of its proper divisors (54384040).

71044004 is a wasteful number, since it uses less digits than its factorization.

71044004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157294 (or 157292 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 71044004 is about 8428.7605257238. The cubic root of 71044004 is about 414.1673030708.

The spelling of 71044004 in words is "seventy-one million, forty-four thousand, four".