671490567 has 40 divisors (see below), whose sum is σ = 1102468752. Its totient is φ = 403920000.

The previous prime is 671490557. The next prime is 671490569. The reversal of 671490567 is 765094176.

It is a happy number.

It is not a de Polignac number, because 671490567 - 2⁸ = 671490311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671490569) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 119317 + ... + 124817.

Almost surely, 2^671490567 is an apocalyptic number.

671490567 is a deficient number, since it is larger than the sum of its proper divisors (430978185).

671490567 is a wasteful number, since it uses less digits than its factorization.

671490567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5661 (or 5652 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 671490567 is about 25913.1350283982. The cubic root of 671490567 is about 875.6824355577.

The spelling of 671490567 in words is "six hundred seventy-one million, four hundred ninety thousand, five hundred sixty-seven".