671328100 has 27 divisors (see below), whose sum is σ = 1457344441. Its totient is φ = 268427600.

The previous prime is 671328067. The next prime is 671328131. The reversal of 671328100 is 1823176.

The square root of 671328100 is 25910.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 241678116 + 429649984 = 15546^2 + 20728^2 .

It is a super-2 number, since 2×671328100² = 901362835699220000, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 257805 + ... + 260395.

Almost surely, 2^671328100 is an apocalyptic number.

671328100 is the 25910-th square number.

It is an amenable number.

671328100 is an abundant number, since it is smaller than the sum of its proper divisors (786016341).

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

671328100 is an equidigital number, since it uses as much as digits as its factorization.

671328100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5196 (or 2598 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The cubic root of 671328100 is about 875.6118061348.

The spelling of 671328100 in words is "six hundred seventy-one million, three hundred twenty-eight thousand, one hundred".