671470992 has 80 divisors (see below), whose sum is σ = 1963802880. Its totient is φ = 219593088.

The previous prime is 671470979. The next prime is 671471027. The reversal of 671470992 is 299074176.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8233 + ... + 37559.

It is an arithmetic number, because the mean of its divisors is an integer number (24547536).

Almost surely, 2^671470992 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 671470992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (981901440).

671470992 is an abundant number, since it is smaller than the sum of its proper divisors (1292331888).

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

671470992 is a wasteful number, since it uses less digits than its factorization.

671470992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29397 (or 29385 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 671470992 is about 25912.7573214430. The cubic root of 671470992 is about 875.6739263043.

The spelling of 671470992 in words is "six hundred seventy-one million, four hundred seventy thousand, nine hundred ninety-two".