71217534074 has 8 divisors (see below), whose sum is σ = 108841891860. Its totient is φ = 34936903456.

The previous prime is 71217534071. The next prime is 71217534077. The reversal of 71217534074 is 47043571217.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71217534071) and next prime (71217534077).

It can be written as a sum of positive squares in 2 ways, for example, as 67752445849 + 3465088225 = 260293^2 + 58865^2 .

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 (71217534071) by changing a digit.

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, 335931659 + ... + 335931870.

Almost surely, 2^71217534074 is an apocalyptic number.

71217534074 is a deficient number, since it is larger than the sum of its proper divisors (37624357786).

71217534074 is a wasteful number, since it uses less digits than its factorization.

71217534074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671863584.

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 71217534074 in words is "seventy-one billion, two hundred seventeen million, five hundred thirty-four thousand, seventy-four".