71107042 has 8 divisors (see below), whose sum is σ = 106699500. Its totient is φ = 35540544.

The previous prime is 71107021. The next prime is 71107051. The reversal of 71107042 is 24070117.

It can be written as a sum of positive squares in 2 ways, for example, as 71081761 + 25281 = 8431^2 + 159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×71107042² = 10112422843979528, which contains 22 as substring.

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, 3334 + ... + 12382.

Almost surely, 2^71107042 is an apocalyptic number.

71107042 is a deficient number, since it is larger than the sum of its proper divisors (35592458).

71107042 is a wasteful number, since it uses less digits than its factorization.

71107042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12980.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 71107042 is about 8432.4991550548. The cubic root of 71107042 is about 414.2897650133.

Adding to 71107042 its reverse (24070117), we get a palindrome (95177159).

The spelling of 71107042 in words is "seventy-one million, one hundred seven thousand, forty-two".