71289230770 has 8 divisors (see below), whose sum is σ = 128320615404. Its totient is φ = 28515692304.

The previous prime is 71289230767. The next prime is 71289230791. The reversal of 71289230770 is 7703298217.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62841966489 + 8447264281 = 250683^2 + 91909^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 71289230770.

It is an unprimeable number.

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, 3564461529 + ... + 3564461548.

Almost surely, 2^71289230770 is an apocalyptic number.

71289230770 is a deficient number, since it is larger than the sum of its proper divisors (57031384634).

71289230770 is a wasteful number, since it uses less digits than its factorization.

71289230770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7128923084.

The product of its (nonzero) digits is 296352, while the sum is 46.

The spelling of 71289230770 in words is "seventy-one billion, two hundred eighty-nine million, two hundred thirty thousand, seven hundred seventy".