71040328 has 32 divisors (see below), whose sum is σ = 136019520. Its totient is φ = 34776000.

The previous prime is 71040323. The next prime is 71040329. The reversal of 71040328 is 82304017.

It is not an unprimeable number, because it can be changed into a prime (71040323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102463 + ... + 103153.

It is an arithmetic number, because the mean of its divisors is an integer number (4250610).

Almost surely, 2^71040328 is an apocalyptic number.

It is an amenable number.

71040328 is a deficient number, since it is larger than the sum of its proper divisors (64979192).

71040328 is a wasteful number, since it uses less digits than its factorization.

71040328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 71040328 is about 8428.5424599986. The cubic root of 71040328 is about 414.1601595861.

The spelling of 71040328 in words is "seventy-one million, forty thousand, three hundred twenty-eight".