4074445 has 4 divisors (see below), whose sum is σ = 4889340. Its totient is φ = 3259552.

The previous prime is 4074443. The next prime is 4074449. The reversal of 4074445 is 5444704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 927369 + 3147076 = 963^2 + 1774^2 .

It is a cyclic number.

It is not a de Polignac number, because 4074445 - 2¹ = 4074443 is a prime.

It is a super-2 number, since 2×4074445² = 33202204116050, which contains 22 as substring.

4074445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4074443) 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, 407440 + ... + 407449.

It is an arithmetic number, because the mean of its divisors is an integer number (1222335).

Almost surely, 2^4074445 is an apocalyptic number.

It is an amenable number.

4074445 is a deficient number, since it is larger than the sum of its proper divisors (814895).

4074445 is an equidigital number, since it uses as much as digits as its factorization.

4074445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814894.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 4074445 is about 2018.5254519079. The cubic root of 4074445 is about 159.7188421661.

The spelling of 4074445 in words is "four million, seventy-four thousand, four hundred forty-five".