7691225 has 12 divisors (see below), whose sum is σ = 10098684. Its totient is φ = 5790720.

The previous prime is 7691213. The next prime is 7691261. The reversal of 7691225 is 5221967.

It can be written as a sum of positive squares in 6 ways, for example, as 309136 + 7382089 = 556^2 + 2717^2 .

It is not a de Polignac number, because 7691225 - 2⁴ = 7691209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7691191 and 7691200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8624 + ... + 9473.

It is an arithmetic number, because the mean of its divisors is an integer number (841557).

Almost surely, 2^7691225 is an apocalyptic number.

It is an amenable number.

7691225 is a deficient number, since it is larger than the sum of its proper divisors (2407459).

7691225 is a wasteful number, since it uses less digits than its factorization.

7691225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18124 (or 18119 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 7691225 is about 2773.3057891260. The cubic root of 7691225 is about 197.3930414822.

The spelling of 7691225 in words is "seven million, six hundred ninety-one thousand, two hundred twenty-five".