671627 has 4 divisors (see below), whose sum is σ = 732696. Its totient is φ = 610560.

The previous prime is 671609. The next prime is 671633. The reversal of 671627 is 726176.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 671627 - 2¹² = 667531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 671627.

It is not an unprimeable number, because it can be changed into a prime (671647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30518 + ... + 30539.

It is an arithmetic number, because the mean of its divisors is an integer number (183174).

2⁶⁷¹⁶²⁷ is an apocalyptic number.

671627 is a deficient number, since it is larger than the sum of its proper divisors (61069).

671627 is a wasteful number, since it uses less digits than its factorization.

671627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61068.

The product of its digits is 3528, while the sum is 29.

The square root of 671627 is about 819.5285229936. The cubic root of 671627 is about 87.5741738397.

The spelling of 671627 in words is "six hundred seventy-one thousand, six hundred twenty-seven".