420674 has 8 divisors (see below), whose sum is σ = 652860. Its totient is φ = 203056.

The previous prime is 420671. The next prime is 420677. The reversal of 420674 is 476024.

It is an interprime number because it is at equal distance from previous prime (420671) and next prime (420677).

It can be written as a sum of positive squares in 2 ways, for example, as 413449 + 7225 = 643^2 + 85^2 .

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

It is a super-3 number, since 3×420674³ = 223335760481826072, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 420674.

It is not an unprimeable number, because it can be changed into a prime (420671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3569 + ... + 3684.

2⁴²⁰⁶⁷⁴ is an apocalyptic number.

420674 is a deficient number, since it is larger than the sum of its proper divisors (232186).

420674 is a wasteful number, since it uses less digits than its factorization.

420674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7284.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 420674 is about 648.5938636774. The cubic root of 420674 is about 74.9287619863.

Adding to 420674 its reverse (476024), we get a palindrome (896698).

The spelling of 420674 in words is "four hundred twenty thousand, six hundred seventy-four".