671320002 has 16 divisors (see below), whose sum is σ = 1352441952. Its totient is φ = 222139680.

The previous prime is 671319983. The next prime is 671320007. The reversal of 671320002 is 200023176.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (671320007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407524 + ... + 409167.

It is an arithmetic number, because the mean of its divisors is an integer number (84527622).

Almost surely, 2^671320002 is an apocalyptic number.

671320002 is an abundant number, since it is smaller than the sum of its proper divisors (681121950).

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

671320002 is a wasteful number, since it uses less digits than its factorization.

671320002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816833.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 671320002 is about 25909.8437278190. The cubic root of 671320002 is about 875.6082853859.

Adding to 671320002 its reverse (200023176), we get a palindrome (871343178).

The spelling of 671320002 in words is "six hundred seventy-one million, three hundred twenty thousand, two".