8747725 has 36 divisors (see below), whose sum is σ = 13026324. Its totient is φ = 5806080.

The previous prime is 8747723. The next prime is 8747737. The reversal of 8747725 is 5277478.

It can be written as a sum of positive squares in 6 ways, for example, as 21609 + 8726116 = 147^2 + 2954^2 .

It is not a de Polignac number, because 8747725 - 2¹ = 8747723 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 (8747723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45229 + ... + 45421.

Almost surely, 2^8747725 is an apocalyptic number.

It is an amenable number.

8747725 is a deficient number, since it is larger than the sum of its proper divisors (4278599).

8747725 is a wasteful number, since it uses less digits than its factorization.

8747725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 242 counting only the distinct ones).

The product of its digits is 109760, while the sum is 40.

The square root of 8747725 is about 2957.6553213652. The cubic root of 8747725 is about 206.0464045395.

The spelling of 8747725 in words is "eight million, seven hundred forty-seven thousand, seven hundred twenty-five".