671073084 has 144 divisors (see below), whose sum is σ = 1974336000. Its totient is φ = 190045440.

The previous prime is 671073061. The next prime is 671073133. The reversal of 671073084 is 480370176.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 593832 + ... + 594960.

Almost surely, 2^671073084 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 671073084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987168000).

671073084 is an abundant number, since it is smaller than the sum of its proper divisors (1303262916).

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

671073084 is a wasteful number, since it uses less digits than its factorization.

671073084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 671073084 is about 25905.0783438306. The cubic root of 671073084 is about 875.5009198183.

The spelling of 671073084 in words is "six hundred seventy-one million, seventy-three thousand, eighty-four".