671265675 has 18 divisors (see below), whose sum is σ = 1202311812. Its totient is φ = 358008240.

The previous prime is 671265667. The next prime is 671265701. The reversal of 671265675 is 576562176.

671265675 is a `hidden beast` number, since 67 + 1 + 26 + 567 + 5 = 666.

It is not a de Polignac number, because 671265675 - 2³ = 671265667 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 671265675.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1491477 + ... + 1491926.

Almost surely, 2^671265675 is an apocalyptic number.

671265675 is a deficient number, since it is larger than the sum of its proper divisors (531046137).

671265675 is a wasteful number, since it uses less digits than its factorization.

671265675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983419 (or 2983411 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 671265675 is about 25908.7953212804. The cubic root of 671265675 is about 875.5846650288.

The spelling of 671265675 in words is "six hundred seventy-one million, two hundred sixty-five thousand, six hundred seventy-five".