71106057 has 24 divisors (see below), whose sum is σ = 115914240. Its totient is φ = 41606880.

The previous prime is 71106029. The next prime is 71106067. The reversal of 71106057 is 75060117.

It is not a de Polignac number, because 71106057 - 2¹¹ = 71104009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71106057.

It is not an unprimeable number, because it can be changed into a prime (71106067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9513 + ... + 15254.

It is an arithmetic number, because the mean of its divisors is an integer number (4829760).

Almost surely, 2^71106057 is an apocalyptic number.

It is an amenable number.

71106057 is a deficient number, since it is larger than the sum of its proper divisors (44808183).

71106057 is a wasteful number, since it uses less digits than its factorization.

71106057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24813 (or 24810 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 71106057 is about 8432.4407498660. The cubic root of 71106057 is about 414.2878520415.

It can be divided in two parts, 711060 and 57, that added together give a palindrome (711117).

The spelling of 71106057 in words is "seventy-one million, one hundred six thousand, fifty-seven".