671382675 has 30 divisors (see below), whose sum is σ = 1243636548. Its totient is φ = 358069680.

The previous prime is 671382659. The next prime is 671382703. The reversal of 671382675 is 576283176.

It is not a de Polignac number, because 671382675 - 2⁴ = 671382659 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 671382675.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 163749 + ... + 167798.

Almost surely, 2^671382675 is an apocalyptic number.

671382675 is a deficient number, since it is larger than the sum of its proper divisors (572253873).

671382675 is a wasteful number, since it uses less digits than its factorization.

671382675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331569 (or 331555 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 671382675 is about 25911.0531433981. The cubic root of 671382675 is about 875.6355328438.

The spelling of 671382675 in words is "six hundred seventy-one million, three hundred eighty-two thousand, six hundred seventy-five".