7628165 has 4 divisors (see below), whose sum is σ = 9153804. Its totient is φ = 6102528.

The previous prime is 7628143. The next prime is 7628171. The reversal of 7628165 is 5618267.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5618267 = 1993 ⋅2819.

It can be written as a sum of positive squares in 2 ways, for example, as 982081 + 6646084 = 991^2 + 2578^2 .

It is a cyclic number.

It is not a de Polignac number, because 7628165 - 2¹⁰ = 7627141 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 762812 + ... + 762821.

It is an arithmetic number, because the mean of its divisors is an integer number (2288451).

Almost surely, 2^7628165 is an apocalyptic number.

It is an amenable number.

7628165 is a deficient number, since it is larger than the sum of its proper divisors (1525639).

7628165 is a wasteful number, since it uses less digits than its factorization.

7628165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525638.

The product of its digits is 20160, while the sum is 35.

The square root of 7628165 is about 2761.9132861116. The cubic root of 7628165 is about 196.8520882046.

The spelling of 7628165 in words is "seven million, six hundred twenty-eight thousand, one hundred sixty-five".