71672375818 has 8 divisors (see below), whose sum is σ = 107688045600. Its totient is φ = 35776360620.

The previous prime is 71672375729. The next prime is 71672375839. The reversal of 71672375818 is 81857327617.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29912148 + ... + 29914543.

It is an arithmetic number, because the mean of its divisors is an integer number (13461005700).

Almost surely, 2^71672375818 is an apocalyptic number.

71672375818 is a deficient number, since it is larger than the sum of its proper divisors (36015669782).

71672375818 is a wasteful number, since it uses less digits than its factorization.

71672375818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59827292.

The product of its digits is 3951360, while the sum is 55.

The spelling of 71672375818 in words is "seventy-one billion, six hundred seventy-two million, three hundred seventy-five thousand, eight hundred eighteen".