671037 has 4 divisors (see below), whose sum is σ = 894720. Its totient is φ = 447356.

The previous prime is 671029. The next prime is 671039. The reversal of 671037 is 730176.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 671037 - 2³ = 671029 is a prime.

It is a D-number.

671037 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 670998 and 671016.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 671037.

It is not an unprimeable number, because it can be changed into a prime (671039) 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, 111837 + ... + 111842.

It is an arithmetic number, because the mean of its divisors is an integer number (223680).

2⁶⁷¹⁰³⁷ is an apocalyptic number.

It is an amenable number.

671037 is a deficient number, since it is larger than the sum of its proper divisors (223683).

671037 is a wasteful number, since it uses less digits than its factorization.

671037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223682.

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 671037 is about 819.1684808390. The cubic root of 671037 is about 87.5485227468.

Adding to 671037 its sum of digits (24), we get a triangular number (671061 = T₁₁₅₈).

The spelling of 671037 in words is "six hundred seventy-one thousand, thirty-seven".