71043004 has 12 divisors (see below), whose sum is σ = 125722800. Its totient is φ = 35122208.

The previous prime is 71042977. The next prime is 71043013. The reversal of 71043004 is 40034017.

It is a happy number.

It is a congruent number.

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, 99424 + ... + 100135.

It is an arithmetic number, because the mean of its divisors is an integer number (10476900).

Almost surely, 2^71043004 is an apocalyptic number.

It is an amenable number.

71043004 is a deficient number, since it is larger than the sum of its proper divisors (54679796).

71043004 is a wasteful number, since it uses less digits than its factorization.

71043004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199652 (or 199650 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 71043004 is about 8428.7012048120. The cubic root of 71043004 is about 414.1653598186.

The spelling of 71043004 in words is "seventy-one million, forty-three thousand, four".