8730725 has 12 divisors (see below), whose sum is σ = 10892160. Its totient is φ = 6942000.

The previous prime is 8730697. The next prime is 8730737. The reversal of 8730725 is 5270378.

It is not a de Polignac number, because 8730725 - 2⁶ = 8730661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8730691 and 8730700.

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, 3500 + ... + 5450.

It is an arithmetic number, because the mean of its divisors is an integer number (907680).

Almost surely, 2^8730725 is an apocalyptic number.

It is an amenable number.

8730725 is a deficient number, since it is larger than the sum of its proper divisors (2161435).

8730725 is a wasteful number, since it uses less digits than its factorization.

8730725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140 (or 2135 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 8730725 is about 2954.7800256533. The cubic root of 8730725 is about 205.9128437034.

The spelling of 8730725 in words is "eight million, seven hundred thirty thousand, seven hundred twenty-five".