671372 has 12 divisors (see below), whose sum is σ = 1265376. Its totient is φ = 309840.

The previous prime is 671369. The next prime is 671383. The reversal of 671372 is 273176.

671372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6404 + ... + 6507.

It is an arithmetic number, because the mean of its divisors is an integer number (105448).

2⁶⁷¹³⁷² is an apocalyptic number.

It is an amenable number.

671372 is a deficient number, since it is larger than the sum of its proper divisors (594004).

671372 is a wasteful number, since it uses less digits than its factorization.

671372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12928 (or 12926 counting only the distinct ones).

The product of its digits is 1764, while the sum is 26.

The square root of 671372 is about 819.3729309661. The cubic root of 671372 is about 87.5630891944.

The spelling of 671372 in words is "six hundred seventy-one thousand, three hundred seventy-two".