674785 has 8 divisors (see below), whose sum is σ = 852480. Its totient is φ = 511344.

The previous prime is 674771. The next prime is 674789. The reversal of 674785 is 587476.

It is a happy number.

674785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 674785 - 2⁹ = 674273 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (674789) 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, 3457 + ... + 3646.

It is an arithmetic number, because the mean of its divisors is an integer number (106560).

2⁶⁷⁴⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

674785 is a deficient number, since it is larger than the sum of its proper divisors (177695).

674785 is a wasteful number, since it uses less digits than its factorization.

674785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7127.

The product of its digits is 47040, while the sum is 37.

The square root of 674785 is about 821.4529810038. The cubic root of 674785 is about 87.7112176194.

The spelling of 674785 in words is "six hundred seventy-four thousand, seven hundred eighty-five".