671080032 has 384 divisors, whose sum is σ = 2429844480. Its totient is φ = 175841280.

The previous prime is 671080031. The next prime is 671080043. The reversal of 671080032 is 230080176.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 671079978 and 671080005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671080031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6271723 + ... + 6271829.

It is an arithmetic number, because the mean of its divisors is an integer number (6327720).

Almost surely, 2^671080032 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 671080032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1214922240).

671080032 is an abundant number, since it is smaller than the sum of its proper divisors (1758764448).

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

671080032 is a wasteful number, since it uses less digits than its factorization.

671080032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 671080032 is about 25905.2124484630. The cubic root of 671080032 is about 875.5039413269.

The spelling of 671080032 in words is "six hundred seventy-one million, eighty thousand, thirty-two".