7678325 has 12 divisors (see below), whose sum is σ = 9563748. Its totient is φ = 6115200.

The previous prime is 7678313. The next prime is 7678327. The reversal of 7678325 is 5238767.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 586756 + 7091569 = 766^2 + 2663^2 .

It is not a de Polignac number, because 7678325 - 2⁴ = 7678309 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7678327) by changing a digit.

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, 6479 + ... + 7571.

It is an arithmetic number, because the mean of its divisors is an integer number (796979).

Almost surely, 2^7678325 is an apocalyptic number.

It is an amenable number.

7678325 is a deficient number, since it is larger than the sum of its proper divisors (1885423).

7678325 is a wasteful number, since it uses less digits than its factorization.

7678325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 1379 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 7678325 is about 2770.9790688491. The cubic root of 7678325 is about 197.2826214826.

The spelling of 7678325 in words is "seven million, six hundred seventy-eight thousand, three hundred twenty-five".