9279725 has 24 divisors (see below), whose sum is σ = 14165760. Its totient is φ = 5872320.

The previous prime is 9279709. The next prime is 9279731. The reversal of 9279725 is 5279729.

It is a happy number.

It is not a de Polignac number, because 9279725 - 2⁴ = 9279709 is a prime.

It is a super-2 number, since 2×9279725² = 172226592151250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 236 + ... + 4314.

It is an arithmetic number, because the mean of its divisors is an integer number (590240).

Almost surely, 2^9279725 is an apocalyptic number.

It is an amenable number.

9279725 is a deficient number, since it is larger than the sum of its proper divisors (4886035).

9279725 is a wasteful number, since it uses less digits than its factorization.

9279725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109 (or 4104 counting only the distinct ones).

The product of its digits is 79380, while the sum is 41.

The square root of 9279725 is about 3046.2641054249. The cubic root of 9279725 is about 210.1414391081.

The spelling of 9279725 in words is "nine million, two hundred seventy-nine thousand, seven hundred twenty-five".