71170057 has 4 divisors (see below), whose sum is σ = 81337216. Its totient is φ = 61002900.

The previous prime is 71170051. The next prime is 71170063. The reversal of 71170057 is 75007117.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (71170051) and next prime (71170063).

It is not a de Polignac number, because 71170057 - 2³ = 71170049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71170051) 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, 5083569 + ... + 5083582.

It is an arithmetic number, because the mean of its divisors is an integer number (20334304).

Almost surely, 2^71170057 is an apocalyptic number.

It is an amenable number.

71170057 is a deficient number, since it is larger than the sum of its proper divisors (10167159).

71170057 is a wasteful number, since it uses less digits than its factorization.

71170057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10167158.

The product of its (nonzero) digits is 1715, while the sum is 28.

The square root of 71170057 is about 8436.2347643958. The cubic root of 71170057 is about 414.4121099586.

The spelling of 71170057 in words is "seventy-one million, one hundred seventy thousand, fifty-seven".