7445565 has 12 divisors (see below), whose sum is σ = 12905724. Its totient is φ = 3970944.

The previous prime is 7445551. The next prime is 7445569. The reversal of 7445565 is 5655447.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 881721 + 6563844 = 939^2 + 2562^2 .

It is not a de Polignac number, because 7445565 - 2⁷ = 7445437 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7445569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82684 + ... + 82773.

It is an arithmetic number, because the mean of its divisors is an integer number (1075477).

Almost surely, 2^7445565 is an apocalyptic number.

It is an amenable number.

7445565 is a deficient number, since it is larger than the sum of its proper divisors (5460159).

7445565 is a wasteful number, since it uses less digits than its factorization.

7445565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165468 (or 165465 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 7445565 is about 2728.6562627051. The cubic root of 7445565 is about 195.2686632071.

The spelling of 7445565 in words is "seven million, four hundred forty-five thousand, five hundred sixty-five".