671875464 has 64 divisors (see below), whose sum is σ = 1835951040. Its totient is φ = 203639040.

The previous prime is 671875453. The next prime is 671875469. The reversal of 671875464 is 464578176.

It is not an unprimeable number, because it can be changed into a prime (671875469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4834 + ... + 36974.

It is an arithmetic number, because the mean of its divisors is an integer number (28686735).

Almost surely, 2^671875464 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 671875464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (917975520).

671875464 is an abundant number, since it is smaller than the sum of its proper divisors (1164075576).

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

671875464 is a wasteful number, since it uses less digits than its factorization.

671875464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32230 (or 32226 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 671875464 is about 25920.5606420849. The cubic root of 671875464 is about 875.8497167186.

The spelling of 671875464 in words is "six hundred seventy-one million, eight hundred seventy-five thousand, four hundred sixty-four".