1674481 has 4 divisors (see below), whose sum is σ = 1715364. Its totient is φ = 1633600.

The previous prime is 1674473. The next prime is 1674503. The reversal of 1674481 is 1844761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1844761 = 23 ⋅80207.

It can be written as a sum of positive squares in 2 ways, for example, as 781456 + 893025 = 884^2 + 945^2 .

It is a cyclic number.

It is not a de Polignac number, because 1674481 - 2³ = 1674473 is a prime.

It is a super-2 number, since 2×1674481² = 5607773238722, which contains 22 as substring.

It is a Duffinian number.

1674481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1674461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20380 + ... + 20461.

It is an arithmetic number, because the mean of its divisors is an integer number (428841).

2^1674481 is an apocalyptic number.

It is an amenable number.

1674481 is a deficient number, since it is larger than the sum of its proper divisors (40883).

1674481 is an equidigital number, since it uses as much as digits as its factorization.

1674481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40882.

The product of its digits is 5376, while the sum is 31.

The square root of 1674481 is about 1294.0173878275. The cubic root of 1674481 is about 118.7481196378.

The spelling of 1674481 in words is "one million, six hundred seventy-four thousand, four hundred eighty-one".