7478825 has 12 divisors (see below), whose sum is σ = 9314508. Its totient is φ = 5956800.

The previous prime is 7478813. The next prime is 7478831. The reversal of 7478825 is 5288747.

7478825 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 226576 + 7252249 = 476^2 + 2693^2 .

It is not a de Polignac number, because 7478825 - 2¹⁰ = 7477801 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 6815 + ... + 7835.

It is an arithmetic number, because the mean of its divisors is an integer number (776209).

Almost surely, 2^7478825 is an apocalyptic number.

It is an amenable number.

7478825 is a deficient number, since it is larger than the sum of its proper divisors (1835683).

7478825 is a wasteful number, since it uses less digits than its factorization.

7478825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324 (or 1319 counting only the distinct ones).

The product of its digits is 125440, while the sum is 41.

The square root of 7478825 is about 2734.7440465243. The cubic root of 7478825 is about 195.5589921462.

The spelling of 7478825 in words is "seven million, four hundred seventy-eight thousand, eight hundred twenty-five".