7479225 has 36 divisors (see below), whose sum is σ = 14432236. Its totient is φ = 3680640.

The previous prime is 7479223. The next prime is 7479229. The reversal of 7479225 is 5229747.

7479225 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 992016 + 6487209 = 996^2 + 2547^2 .

It is not a de Polignac number, because 7479225 - 2¹ = 7479223 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7479225.

It is not an unprimeable number, because it can be changed into a prime (7479223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1647 + ... + 4203.

Almost surely, 2^7479225 is an apocalyptic number.

7479225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7479225 is a deficient number, since it is larger than the sum of its proper divisors (6953011).

7479225 is a wasteful number, since it uses less digits than its factorization.

7479225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586 (or 2578 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 7479225 is about 2734.8171785331. The cubic root of 7479225 is about 195.5624785318.

The spelling of 7479225 in words is "seven million, four hundred seventy-nine thousand, two hundred twenty-five".