71040030434 has 8 divisors (see below), whose sum is σ = 106628843100. Its totient is φ = 35497082736.

The previous prime is 71040030427. The next prime is 71040030437. The reversal of 71040030434 is 43403004017.

It can be written as a sum of positive squares in 2 ways, for example, as 66020733025 + 5019297409 = 256945^2 + 70847^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (71040030437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11462369 + ... + 11468564.

Almost surely, 2^71040030434 is an apocalyptic number.

71040030434 is a deficient number, since it is larger than the sum of its proper divisors (35588812666).

71040030434 is a wasteful number, since it uses less digits than its factorization.

71040030434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22932484.

The product of its (nonzero) digits is 4032, while the sum is 26.

The spelling of 71040030434 in words is "seventy-one billion, forty million, thirty thousand, four hundred thirty-four".