671094424 has 128 divisors (see below), whose sum is σ = 1702471680. Its totient is φ = 239500800.

The previous prime is 671094409. The next prime is 671094451. The reversal of 671094424 is 424490176.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1449217 + ... + 1449679.

It is an arithmetic number, because the mean of its divisors is an integer number (13300560).

Almost surely, 2^671094424 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 671094424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851235840).

671094424 is an abundant number, since it is smaller than the sum of its proper divisors (1031377256).

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

671094424 is a wasteful number, since it uses less digits than its factorization.

671094424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 671094424 is about 25905.4902289071. The cubic root of 671094424 is about 875.5101999757.

The spelling of 671094424 in words is "six hundred seventy-one million, ninety-four thousand, four hundred twenty-four".