9782725 has 12 divisors (see below), whose sum is σ = 12186720. Its totient is φ = 7790000.

The previous prime is 9782719. The next prime is 9782743. The reversal of 9782725 is 5272879.

It is not a de Polignac number, because 9782725 - 2¹³ = 9774533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5496 + ... + 7054.

It is an arithmetic number, because the mean of its divisors is an integer number (1015560).

Almost surely, 2^9782725 is an apocalyptic number.

It is an amenable number.

9782725 is a deficient number, since it is larger than the sum of its proper divisors (2403995).

9782725 is a wasteful number, since it uses less digits than its factorization.

9782725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820 (or 1815 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The square root of 9782725 is about 3127.7348033361. The cubic root of 9782725 is about 213.8716804306.

The spelling of 9782725 in words is "nine million, seven hundred eighty-two thousand, seven hundred twenty-five".