71482042 has 16 divisors (see below), whose sum is σ = 117446760. Its totient is φ = 32478208.

The previous prime is 71482003. The next prime is 71482049. The reversal of 71482042 is 24028417.

It can be written as a sum of positive squares in 4 ways, for example, as 64464841 + 7017201 = 8029^2 + 2649^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 71482042.

It is not an unprimeable number, because it can be changed into a prime (71482049) 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 7 ways as a sum of consecutive naturals, for example, 35263 + ... + 37234.

Almost surely, 2^71482042 is an apocalyptic number.

71482042 is a deficient number, since it is larger than the sum of its proper divisors (45964718).

71482042 is a wasteful number, since it uses less digits than its factorization.

71482042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72545.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 71482042 is about 8454.7053171592. The cubic root of 71482042 is about 415.0167738902.

The spelling of 71482042 in words is "seventy-one million, four hundred eighty-two thousand, forty-two".