7173725 has 12 divisors (see below), whose sum is σ = 9580116. Its totient is φ = 5297280.

The previous prime is 7173721. The next prime is 7173737. The reversal of 7173725 is 5273717.

It can be written as a sum of positive squares in 6 ways, for example, as 7396 + 7166329 = 86^2 + 2677^2 .

It is not a de Polignac number, because 7173725 - 2² = 7173721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7173691 and 7173700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7173721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10712 + ... + 11361.

It is an arithmetic number, because the mean of its divisors is an integer number (798343).

Almost surely, 2^7173725 is an apocalyptic number.

It is an amenable number.

7173725 is a deficient number, since it is larger than the sum of its proper divisors (2406391).

7173725 is a wasteful number, since it uses less digits than its factorization.

7173725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22096 (or 22091 counting only the distinct ones).

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

The square root of 7173725 is about 2678.3810408529. The cubic root of 7173725 is about 192.8626995590.

The spelling of 7173725 in words is "seven million, one hundred seventy-three thousand, seven hundred twenty-five".