7648105 has 4 divisors (see below), whose sum is σ = 9177732. Its totient is φ = 6118480.

The previous prime is 7648097. The next prime is 7648163. The reversal of 7648105 is 5018467.

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 3857296 + 3790809 = 1964^2 + 1947^2 .

It is not a de Polignac number, because 7648105 - 2³ = 7648097 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 764806 + ... + 764815.

It is an arithmetic number, because the mean of its divisors is an integer number (2294433).

Almost surely, 2^7648105 is an apocalyptic number.

It is an amenable number.

7648105 is a deficient number, since it is larger than the sum of its proper divisors (1529627).

7648105 is a wasteful number, since it uses less digits than its factorization.

7648105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529626.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 7648105 is about 2765.5207466226. The cubic root of 7648105 is about 197.0234625529.

The spelling of 7648105 in words is "seven million, six hundred forty-eight thousand, one hundred five".