670469 has 4 divisors (see below), whose sum is σ = 680544. Its totient is φ = 660396.

The previous prime is 670457. The next prime is 670471. The reversal of 670469 is 964076.

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 a de Polignac number, because none of the positive numbers 2^k-670469 is a prime.

It is a super-2 number, since 2×670469² = 899057359922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670409) 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, 4937 + ... + 5070.

It is an arithmetic number, because the mean of its divisors is an integer number (170136).

2⁶⁷⁰⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

670469 is a deficient number, since it is larger than the sum of its proper divisors (10075).

670469 is a wasteful number, since it uses less digits than its factorization.

670469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10074.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 670469 is about 818.8217144165. The cubic root of 670469 is about 87.5238139264.

The spelling of 670469 in words is "six hundred seventy thousand, four hundred sixty-nine".