671473400 has 96 divisors (see below), whose sum is σ = 1722546000. Its totient is φ = 241843200.

The previous prime is 671473367. The next prime is 671473487. The reversal of 671473400 is 4374176.

It is a happy number.

671473400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103451 + ... + 109749.

Almost surely, 2^671473400 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 671473400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861273000).

671473400 is an abundant number, since it is smaller than the sum of its proper divisors (1051072600).

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

671473400 is a wasteful number, since it uses less digits than its factorization.

671473400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369 (or 6360 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 671473400 is about 25912.8037850017. The cubic root of 671473400 is about 875.6749730709.

The spelling of 671473400 in words is "six hundred seventy-one million, four hundred seventy-three thousand, four hundred".