617671 has 12 divisors (see below), whose sum is σ = 685800. Its totient is φ = 555408.

The previous prime is 617657. The next prime is 617677. The reversal of 617671 is 176716.

It is not a de Polignac number, because 617671 - 2¹¹ = 615623 is a prime.

It is a Duffinian number.

Its product of digits (1764) is a multiple of the sum of its prime factors (126).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10440 + ... + 10498.

It is an arithmetic number, because the mean of its divisors is an integer number (57150).

2⁶¹⁷⁶⁷¹ is an apocalyptic number.

617671 is a deficient number, since it is larger than the sum of its proper divisors (68129).

617671 is a wasteful number, since it uses less digits than its factorization.

617671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 107 counting only the distinct ones).

The product of its digits is 1764, while the sum is 28.

The square root of 617671 is about 785.9204794380. The cubic root of 617671 is about 85.1632847456.

The spelling of 617671 in words is "six hundred seventeen thousand, six hundred seventy-one".