7648825 has 12 divisors (see below), whose sum is σ = 9742060. Its totient is φ = 5952960.

The previous prime is 7648813. The next prime is 7648841. The reversal of 7648825 is 5288467.

It can be written as a sum of positive squares in 6 ways, for example, as 826281 + 6822544 = 909^2 + 2612^2 .

It is not a de Polignac number, because 7648825 - 2⁹ = 7648313 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 3210 + ... + 5059.

Almost surely, 2^7648825 is an apocalyptic number.

It is an amenable number.

7648825 is a deficient number, since it is larger than the sum of its proper divisors (2093235).

7648825 is a wasteful number, since it uses less digits than its factorization.

7648825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8316 (or 8311 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 7648825 is about 2765.6509179577. The cubic root of 7648825 is about 197.0296450187.

The spelling of 7648825 in words is "seven million, six hundred forty-eight thousand, eight hundred twenty-five".