71057104 has 20 divisors (see below), whose sum is σ = 137944420. Its totient is φ = 35458560.

The previous prime is 71057099. The next prime is 71057123. The reversal of 71057104 is 40175017.

It can be written as a sum of positive squares in 2 ways, for example, as 14807104 + 56250000 = 3848^2 + 7500^2 .

It is a super-2 number, since 2×71057104² = 10098224057733632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 4552 + ... + 12760.

It is an arithmetic number, because the mean of its divisors is an integer number (6897221).

Almost surely, 2^71057104 is an apocalyptic number.

It is an amenable number.

71057104 is a deficient number, since it is larger than the sum of its proper divisors (66887316).

71057104 is a wasteful number, since it uses less digits than its factorization.

71057104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8758 (or 8752 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 71057104 is about 8429.5375911138. The cubic root of 71057104 is about 414.1927579903.

The spelling of 71057104 in words is "seventy-one million, fifty-seven thousand, one hundred four".