7199725 has 12 divisors (see below), whose sum is σ = 9614836. Its totient is φ = 5316480.

The previous prime is 7199707. The next prime is 7199729. The reversal of 7199725 is 5279917.

It can be written as a sum of positive squares in 6 ways, for example, as 2368521 + 4831204 = 1539^2 + 2198^2 .

It is not a de Polignac number, because 7199725 - 2¹³ = 7191533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7199729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10752 + ... + 11401.

Almost surely, 2^7199725 is an apocalyptic number.

It is an amenable number.

7199725 is a deficient number, since it is larger than the sum of its proper divisors (2415111).

7199725 is a wasteful number, since it uses less digits than its factorization.

7199725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22176 (or 22171 counting only the distinct ones).

The product of its digits is 39690, while the sum is 40.

The square root of 7199725 is about 2683.2303292860. The cubic root of 7199725 is about 193.0954184678.

The spelling of 7199725 in words is "seven million, one hundred ninety-nine thousand, seven hundred twenty-five".