7140725 has 6 divisors (see below), whose sum is σ = 8854530. Its totient is φ = 5712560.

The previous prime is 7140701. The next prime is 7140733. The reversal of 7140725 is 5270417.

7140725 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 3 ways, for example, as 1274641 + 5866084 = 1129^2 + 2422^2 .

It is not a de Polignac number, because 7140725 - 2¹⁰ = 7139701 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7140694 and 7140703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142790 + ... + 142839.

It is an arithmetic number, because the mean of its divisors is an integer number (1475755).

Almost surely, 2^7140725 is an apocalyptic number.

It is an amenable number.

7140725 is a deficient number, since it is larger than the sum of its proper divisors (1713805).

7140725 is a wasteful number, since it uses less digits than its factorization.

7140725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285639 (or 285634 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 7140725 is about 2672.2135019493. The cubic root of 7140725 is about 192.5665143734.

The spelling of 7140725 in words is "seven million, one hundred forty thousand, seven hundred twenty-five".