671717067 has 8 divisors (see below), whose sum is σ = 1023568896. Its totient is φ = 383838312.

The previous prime is 671717027. The next prime is 671717069. The reversal of 671717067 is 760717176.

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

It is not a de Polignac number, because 671717067 - 2²⁰ = 670668491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671717069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15993243 + ... + 15993284.

It is an arithmetic number, because the mean of its divisors is an integer number (127946112).

Almost surely, 2^671717067 is an apocalyptic number.

671717067 is a deficient number, since it is larger than the sum of its proper divisors (351851829).

671717067 is a wasteful number, since it uses less digits than its factorization.

671717067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31986537.

The product of its (nonzero) digits is 86436, while the sum is 42.

The square root of 671717067 is about 25917.5050303844. The cubic root of 671717067 is about 875.7808830936.

The spelling of 671717067 in words is "six hundred seventy-one million, seven hundred seventeen thousand, sixty-seven".