71175042 has 24 divisors (see below), whose sum is σ = 154518780. Its totient is φ = 23677920.

The previous prime is 71175029. The next prime is 71175043. The reversal of 71175042 is 24057117.

It can be written as a sum of positive squares in 2 ways, for example, as 70711281 + 463761 = 8409^2 + 681^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71174997 and 71175015.

It is not an unprimeable number, because it can be changed into a prime (71175043) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6084 + ... + 13392.

Almost surely, 2^71175042 is an apocalyptic number.

71175042 is an abundant number, since it is smaller than the sum of its proper divisors (83343738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71175042 is a wasteful number, since it uses less digits than its factorization.

71175042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7858 (or 7855 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 71175042 is about 8436.5302109339. The cubic root of 71175042 is about 414.4217853578.

The spelling of 71175042 in words is "seventy-one million, one hundred seventy-five thousand, forty-two".