7448165 has 4 divisors (see below), whose sum is σ = 8937804. Its totient is φ = 5958528.

The previous prime is 7448149. The next prime is 7448167. The reversal of 7448165 is 5618447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5618447 = 163 ⋅34469.

It can be written as a sum of positive squares in 2 ways, for example, as 3452164 + 3996001 = 1858^2 + 1999^2 .

It is a cyclic number.

It is not a de Polignac number, because 7448165 - 2⁴ = 7448149 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7448167) 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, 744812 + ... + 744821.

It is an arithmetic number, because the mean of its divisors is an integer number (2234451).

Almost surely, 2^7448165 is an apocalyptic number.

It is an amenable number.

7448165 is a deficient number, since it is larger than the sum of its proper divisors (1489639).

7448165 is a wasteful number, since it uses less digits than its factorization.

7448165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489638.

The product of its digits is 26880, while the sum is 35.

The square root of 7448165 is about 2729.1326460984. The cubic root of 7448165 is about 195.2913899104.

The spelling of 7448165 in words is "seven million, four hundred forty-eight thousand, one hundred sixty-five".