674081 has 6 divisors (see below), whose sum is σ = 692646. Its totient is φ = 656000.

The previous prime is 674071. The next prime is 674083. The reversal of 674081 is 180476.

It can be written as a sum of positive squares in 3 ways, for example, as 19600 + 654481 = 140^2 + 809^2 .

It is not a de Polignac number, because 674081 - 2⁶ = 674017 is a prime.

It is a super-2 number, since 2×674081² = 908770389122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 674081.

It is not an unprimeable number, because it can be changed into a prime (674083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1481 + ... + 1881.

It is an arithmetic number, because the mean of its divisors is an integer number (115441).

2⁶⁷⁴⁰⁸¹ is an apocalyptic number.

It is an amenable number.

674081 is a deficient number, since it is larger than the sum of its proper divisors (18565).

674081 is an equidigital number, since it uses as much as digits as its factorization.

674081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 674081 is about 821.0243601745. The cubic root of 674081 is about 87.6807041058.

The spelling of 674081 in words is "six hundred seventy-four thousand, eighty-one".