671371242 has 64 divisors (see below), whose sum is σ = 1489259520. Its totient is φ = 200693504.

The previous prime is 671371237. The next prime is 671371249. The reversal of 671371242 is 242173176.

It is not an unprimeable number, because it can be changed into a prime (671371249) 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 31 ways as a sum of consecutive naturals, for example, 982633 + ... + 983315.

It is an arithmetic number, because the mean of its divisors is an integer number (23269680).

Almost surely, 2^671371242 is an apocalyptic number.

671371242 is an abundant number, since it is smaller than the sum of its proper divisors (817888278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671371242 is a wasteful number, since it uses less digits than its factorization.

671371242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147.

The product of its digits is 14112, while the sum is 33.

The square root of 671371242 is about 25910.8325223255. The cubic root of 671371242 is about 875.6305624058.

The spelling of 671371242 in words is "six hundred seventy-one million, three hundred seventy-one thousand, two hundred forty-two".