7005445 has 16 divisors (see below), whose sum is σ = 9030960. Its totient is φ = 5197824.

The previous prime is 7005421. The next prime is 7005451. The reversal of 7005445 is 5445007.

It can be written as a sum of positive squares in 8 ways, for example, as 125316 + 6880129 = 354^2 + 2623^2 .

It is a 6-Lehmer number, since φ(7005445) divides (7005445-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 7005445 - 2¹³ = 6997253 is a prime.

It is a congruent number.

It is an unprimeable 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 15 ways as a sum of consecutive naturals, for example, 5641 + ... + 6769.

It is an arithmetic number, because the mean of its divisors is an integer number (564435).

Almost surely, 2^7005445 is an apocalyptic number.

It is an amenable number.

7005445 is a deficient number, since it is larger than the sum of its proper divisors (2025515).

7005445 is a wasteful number, since it uses less digits than its factorization.

7005445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 7005445 is about 2646.7801193148. The cubic root of 7005445 is about 191.3427049951.

The spelling of 7005445 in words is "seven million, five thousand, four hundred forty-five".