71004028 has 12 divisors (see below), whose sum is σ = 126901152. Its totient is φ = 34746560.

The previous prime is 71003993. The next prime is 71004029. The reversal of 71004028 is 82040017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71004029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188653 + ... + 189028.

It is an arithmetic number, because the mean of its divisors is an integer number (10575096).

Almost surely, 2^71004028 is an apocalyptic number.

It is an amenable number.

71004028 is a deficient number, since it is larger than the sum of its proper divisors (55897124).

71004028 is a wasteful number, since it uses less digits than its factorization.

71004028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377732 (or 377730 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 71004028 is about 8426.3887876124. The cubic root of 71004028 is about 414.0896054111.

The spelling of 71004028 in words is "seventy-one million, four thousand, twenty-eight".