671340004 has 12 divisors (see below), whose sum is σ = 1183421484. Its totient is φ = 333219584.

The previous prime is 671340001. The next prime is 671340011. The reversal of 671340004 is 400043176.

It can be written as a sum of positive squares in 2 ways, for example, as 553660900 + 117679104 = 23530^2 + 10848^2 .

It is not an unprimeable number, because it can be changed into a prime (671340001) 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 3 ways as a sum of consecutive naturals, for example, 611989 + ... + 613084.

It is an arithmetic number, because the mean of its divisors is an integer number (98618457).

Almost surely, 2^671340004 is an apocalyptic number.

It is an amenable number.

671340004 is a deficient number, since it is larger than the sum of its proper divisors (512081480).

671340004 is a wasteful number, since it uses less digits than its factorization.

671340004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225214 (or 1225212 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 671340004 is about 25910.2297172372. The cubic root of 671340004 is about 875.6169815581.

The spelling of 671340004 in words is "six hundred seventy-one million, three hundred forty thousand, four".