71003264842 has 4 divisors (see below), whose sum is σ = 106504897266. Its totient is φ = 35501632420.

The previous prime is 71003264821. The next prime is 71003264873. The reversal of 71003264842 is 24846230017.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65275651081 + 5727613761 = 255491^2 + 75681^2 .

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 as a sum of consecutive naturals, namely, 17750816209 + ... + 17750816212.

Almost surely, 2^71003264842 is an apocalyptic number.

71003264842 is a deficient number, since it is larger than the sum of its proper divisors (35501632424).

71003264842 is a wasteful number, since it uses less digits than its factorization.

71003264842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35501632423.

The product of its (nonzero) digits is 64512, while the sum is 37.

Adding to 71003264842 its reverse (24846230017), we get a palindrome (95849494859).

The spelling of 71003264842 in words is "seventy-one billion, three million, two hundred sixty-four thousand, eight hundred forty-two".