671125424 has 40 divisors (see below), whose sum is σ = 1376466960. Its totient is φ = 316447488.

The previous prime is 671125387. The next prime is 671125457. The reversal of 671125424 is 424521176.

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, 3134 + ... + 36770.

It is an arithmetic number, because the mean of its divisors is an integer number (34411674).

Almost surely, 2^671125424 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 671125424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688233480).

671125424 is an abundant number, since it is smaller than the sum of its proper divisors (705341536).

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

671125424 is a wasteful number, since it uses less digits than its factorization.

671125424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33717 (or 33711 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 671125424 is about 25906.0885507635. The cubic root of 671125424 is about 875.5236806412.

The spelling of 671125424 in words is "six hundred seventy-one million, one hundred twenty-five thousand, four hundred twenty-four".