671375 has 16 divisors (see below), whose sum is σ = 864864. Its totient is φ = 520000.

The previous prime is 671369. The next prime is 671383. The reversal of 671375 is 573176.

It is not a de Polignac number, because 671375 - 2¹⁴ = 654991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5060 + ... + 5190.

It is an arithmetic number, because the mean of its divisors is an integer number (54054).

2⁶⁷¹³⁷⁵ is an apocalyptic number.

671375 is a deficient number, since it is larger than the sum of its proper divisors (193489).

671375 is a wasteful number, since it uses less digits than its factorization.

671375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 177 counting only the distinct ones).

The product of its digits is 4410, while the sum is 29.

The square root of 671375 is about 819.3747616323. The cubic root of 671375 is about 87.5632196183.

The spelling of 671375 in words is "six hundred seventy-one thousand, three hundred seventy-five".