674569 has 8 divisors (see below), whose sum is σ = 797760. Its totient is φ = 558096.

The previous prime is 674563. The next prime is 674603. The reversal of 674569 is 965476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 674569 - 2⁵ = 674537 is a prime.

It is a super-2 number, since 2×674569² = 910086671522, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1459 + ... + 1864.

It is an arithmetic number, because the mean of its divisors is an integer number (99720).

2⁶⁷⁴⁵⁶⁹ is an apocalyptic number.

It is an amenable number.

674569 is a deficient number, since it is larger than the sum of its proper divisors (123191).

674569 is a wasteful number, since it uses less digits than its factorization.

674569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359.

The product of its digits is 45360, while the sum is 37.

The square root of 674569 is about 821.3214961268. The cubic root of 674569 is about 87.7018577764.

The spelling of 674569 in words is "six hundred seventy-four thousand, five hundred sixty-nine".