674405 has 16 divisors (see below), whose sum is σ = 883200. Its totient is φ = 492480.

The previous prime is 674393. The next prime is 674419. The reversal of 674405 is 504476.

It is not a de Polignac number, because 674405 - 2¹⁰ = 673381 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2831 + ... + 3059.

It is an arithmetic number, because the mean of its divisors is an integer number (55200).

2⁶⁷⁴⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

674405 is a deficient number, since it is larger than the sum of its proper divisors (208795).

674405 is a wasteful number, since it uses less digits than its factorization.

674405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 674405 is about 821.2216509567. The cubic root of 674405 is about 87.6947498945.

The spelling of 674405 in words is "six hundred seventy-four thousand, four hundred five".