71718232606 has 4 divisors (see below), whose sum is σ = 107577348912. Its totient is φ = 35859116302.

The previous prime is 71718232603. The next prime is 71718232643. The reversal of 71718232606 is 60623281717.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71718232603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17929558150 + ... + 17929558153.

It is an arithmetic number, because the mean of its divisors is an integer number (26894337228).

Almost surely, 2^71718232606 is an apocalyptic number.

71718232606 is a deficient number, since it is larger than the sum of its proper divisors (35859116306).

71718232606 is a wasteful number, since it uses less digits than its factorization.

71718232606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35859116305.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 71718232606 in words is "seventy-one billion, seven hundred eighteen million, two hundred thirty-two thousand, six hundred six".