71385004 has 12 divisors (see below), whose sum is σ = 125090784. Its totient is φ = 35644784.

The previous prime is 71384987. The next prime is 71385019. The reversal of 71385004 is 40058317.

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 3 ways as a sum of consecutive naturals, for example, 8452 + ... + 14635.

It is an arithmetic number, because the mean of its divisors is an integer number (10424232).

Almost surely, 2^71385004 is an apocalyptic number.

It is an amenable number.

71385004 is a deficient number, since it is larger than the sum of its proper divisors (53705780).

71385004 is a wasteful number, since it uses less digits than its factorization.

71385004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23864 (or 23862 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 71385004 is about 8448.9646703013. The cubic root of 71385004 is about 414.8288915736.

The spelling of 71385004 in words is "seventy-one million, three hundred eighty-five thousand, four".