71013044 has 12 divisors (see below), whose sum is σ = 124499844. Its totient is φ = 35441664.

The previous prime is 71013043. The next prime is 71013053. The reversal of 71013044 is 44031017.

It can be written as a sum of positive squares in 2 ways, for example, as 10484644 + 60528400 = 3238^2 + 7780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71013043) 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 3 ways as a sum of consecutive naturals, for example, 13709 + ... + 18164.

It is an arithmetic number, because the mean of its divisors is an integer number (10374987).

Almost surely, 2^71013044 is an apocalyptic number.

It is an amenable number.

71013044 is a deficient number, since it is larger than the sum of its proper divisors (53486800).

71013044 is a wasteful number, since it uses less digits than its factorization.

71013044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32434 (or 32432 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 71013044 is about 8426.9237566267. The cubic root of 71013044 is about 414.1071315241.

The spelling of 71013044 in words is "seventy-one million, thirteen thousand, forty-four".