71670648698 has 8 divisors (see below), whose sum is σ = 117279243360. Its totient is φ = 32577567580.

The previous prime is 71670648671. The next prime is 71670648701. The reversal of 71670648698 is 89684607617.

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 71670648698.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628878358 + ... + 1628878401.

It is an arithmetic number, because the mean of its divisors is an integer number (14659905420).

Almost surely, 2^71670648698 is an apocalyptic number.

71670648698 is a deficient number, since it is larger than the sum of its proper divisors (45608594662).

71670648698 is a wasteful number, since it uses less digits than its factorization.

71670648698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257756772.

The product of its (nonzero) digits is 24385536, while the sum is 62.

The spelling of 71670648698 in words is "seventy-one billion, six hundred seventy million, six hundred forty-eight thousand, six hundred ninety-eight".