7137725 has 12 divisors (see below), whose sum is σ = 10115424. Its totient is φ = 4894320.

The previous prime is 7137703. The next prime is 7137733. The reversal of 7137725 is 5277317.

It is not a de Polignac number, because 7137725 - 2¹⁴ = 7121341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7137691 and 7137700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20219 + ... + 20568.

It is an arithmetic number, because the mean of its divisors is an integer number (842952).

Almost surely, 2^7137725 is an apocalyptic number.

It is an amenable number.

7137725 is a deficient number, since it is larger than the sum of its proper divisors (2977699).

7137725 is a wasteful number, since it uses less digits than its factorization.

7137725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40804 (or 40799 counting only the distinct ones).

The product of its digits is 10290, while the sum is 32.

The square root of 7137725 is about 2671.6521105863. The cubic root of 7137725 is about 192.5395432342.

The spelling of 7137725 in words is "seven million, one hundred thirty-seven thousand, seven hundred twenty-five".