1674005 has 8 divisors (see below), whose sum is σ = 2047032. Its totient is φ = 1313728.

The previous prime is 1673993. The next prime is 1674011. The reversal of 1674005 is 5004761.

It can be written as a sum of positive squares in 4 ways, for example, as 323761 + 1350244 = 569^2 + 1162^2 .

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 1674005 - 2⁶ = 1673941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2894 + ... + 3423.

It is an arithmetic number, because the mean of its divisors is an integer number (255879).

2^1674005 is an apocalyptic number.

It is an amenable number.

1674005 is a deficient number, since it is larger than the sum of its proper divisors (373027).

1674005 is an equidigital number, since it uses as much as digits as its factorization.

1674005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6375.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1674005 is about 1293.8334514148. The cubic root of 1674005 is about 118.7368665069.

Adding to 1674005 its reverse (5004761), we get a palindrome (6678766).

The spelling of 1674005 in words is "one million, six hundred seventy-four thousand, five".