1674681 has 8 divisors (see below), whose sum is σ = 2255424. Its totient is φ = 1105200.

The previous prime is 1674667. The next prime is 1674683. The reversal of 1674681 is 1864761.

It is a happy number.

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

It is not a de Polignac number, because 1674681 - 2⁵ = 1674649 is a prime.

It is a super-2 number, since 2×1674681² = 5609112903522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1674683) 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, 2461 + ... + 3066.

It is an arithmetic number, because the mean of its divisors is an integer number (281928).

2^1674681 is an apocalyptic number.

It is an amenable number.

1674681 is a deficient number, since it is larger than the sum of its proper divisors (580743).

1674681 is a wasteful number, since it uses less digits than its factorization.

1674681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5631.

The product of its digits is 8064, while the sum is 33.

The square root of 1674681 is about 1294.0946642344. The cubic root of 1674681 is about 118.7528472078.

The spelling of 1674681 in words is "one million, six hundred seventy-four thousand, six hundred eighty-one".