671274716 has 72 divisors (see below), whose sum is σ = 1497016080. Its totient is φ = 261391872.

The previous prime is 671274707. The next prime is 671274743. The reversal of 671274716 is 617472176.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 93155 + ... + 100101.

It is an arithmetic number, because the mean of its divisors is an integer number (20791890).

Almost surely, 2^671274716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671274716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748508040).

671274716 is an abundant number, since it is smaller than the sum of its proper divisors (825741364).

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

671274716 is a wasteful number, since it uses less digits than its factorization.

671274716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7011 (or 7002 counting only the distinct ones).

The product of its digits is 98784, while the sum is 41.

The square root of 671274716 is about 25908.9697981220. The cubic root of 671274716 is about 875.5885959738.

The spelling of 671274716 in words is "six hundred seventy-one million, two hundred seventy-four thousand, seven hundred sixteen".