71032066 has 24 divisors (see below), whose sum is σ = 125654220. Its totient is φ = 30022272.

The previous prime is 71032043. The next prime is 71032079. The reversal of 71032066 is 66023017.

It can be written as a sum of positive squares in 2 ways, for example, as 69973225 + 1058841 = 8365^2 + 1029^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 71032066.

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 11 ways as a sum of consecutive naturals, for example, 2190 + ... + 12118.

Almost surely, 2^71032066 is an apocalyptic number.

71032066 is a deficient number, since it is larger than the sum of its proper divisors (54622154).

71032066 is a wasteful number, since it uses less digits than its factorization.

71032066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10018 (or 10011 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 71032066 is about 8428.0523254190. The cubic root of 71032066 is about 414.1441033356.

The spelling of 71032066 in words is "seventy-one million, thirty-two thousand, sixty-six".