405074 has 8 divisors (see below), whose sum is σ = 610428. Its totient is φ = 201600.

The previous prime is 405073. The next prime is 405089. The reversal of 405074 is 470504.

It can be written as a sum of positive squares in 2 ways, for example, as 403225 + 1849 = 635^2 + 43^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (405071) 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, 374 + ... + 974.

2⁴⁰⁵⁰⁷⁴ is an apocalyptic number.

405074 is a deficient number, since it is larger than the sum of its proper divisors (205354).

405074 is a wasteful number, since it uses less digits than its factorization.

405074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 405074 is about 636.4542403033. The cubic root of 405074 is about 73.9908681208.

Adding to 405074 its reverse (470504), we get a palindrome (875578).

The spelling of 405074 in words is "four hundred five thousand, seventy-four".