671400204 has 24 divisors (see below), whose sum is σ = 1569610560. Its totient is φ = 223370064.

The previous prime is 671400167. The next prime is 671400251. The reversal of 671400204 is 402004176.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47214 + ... + 59765.

It is an arithmetic number, because the mean of its divisors is an integer number (65400440).

Almost surely, 2^671400204 is an apocalyptic number.

It is an amenable number.

671400204 is an abundant number, since it is smaller than the sum of its proper divisors (898210356).

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

671400204 is a wasteful number, since it uses less digits than its factorization.

671400204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107509 (or 107507 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 671400204 is about 25911.3913945199. The cubic root of 671400204 is about 875.6431533769.

The spelling of 671400204 in words is "six hundred seventy-one million, four hundred thousand, two hundred four".