7230725 has 12 divisors (see below), whose sum is σ = 9209604. Its totient is φ = 5627520.

The previous prime is 7230709. The next prime is 7230731. The reversal of 7230725 is 5270327.

It can be written as a sum of positive squares in 6 ways, for example, as 564001 + 6666724 = 751^2 + 2582^2 .

It is not a de Polignac number, because 7230725 - 2⁴ = 7230709 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7230694 and 7230703.

It is a congruent 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, 2984 + ... + 4833.

It is an arithmetic number, because the mean of its divisors is an integer number (767467).

Almost surely, 2^7230725 is an apocalyptic number.

It is an amenable number.

7230725 is a deficient number, since it is larger than the sum of its proper divisors (1978879).

7230725 is a wasteful number, since it uses less digits than its factorization.

7230725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7864 (or 7859 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 7230725 is about 2689.0007437708. Note that the first 3 decimals coincide. The cubic root of 7230725 is about 193.3721599257.

The spelling of 7230725 in words is "seven million, two hundred thirty thousand, seven hundred twenty-five".