445674 has 8 divisors (see below), whose sum is σ = 891360. Its totient is φ = 148556.

The previous prime is 445657. The next prime is 445691. The reversal of 445674 is 476544.

It is an interprime number because it is at equal distance from previous prime (445657) and next prime (445691).

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

445674 is an admirable number.

It is a d-powerful number, because it can be written as 4 + 4⁸ + 6³ + 5³ + 7⁶ + 4⁹ .

It is a Curzon number.

It is an unprimeable number.

445674 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 37134 + ... + 37145.

It is an arithmetic number, because the mean of its divisors is an integer number (111420).

2⁴⁴⁵⁶⁷⁴ is an apocalyptic number.

445674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445674 is a wasteful number, since it uses less digits than its factorization.

445674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74284.

The product of its digits is 13440, while the sum is 30.

The square root of 445674 is about 667.5881964205. The cubic root of 445674 is about 76.3845925273.

Subtracting from 445674 its product of digits (13440), we obtain a palindrome (432234).

The spelling of 445674 in words is "four hundred forty-five thousand, six hundred seventy-four".