9726925 has 18 divisors (see below), whose sum is σ = 13064702. Its totient is φ = 7141440.

The previous prime is 9726911. The next prime is 9726943. The reversal of 9726925 is 5296279.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 594441 + 9132484 = 771^2 + 3022^2 .

It is not a de Polignac number, because 9726925 - 2⁷ = 9726797 is a prime.

It is a super-2 number, since 2×9726925² = 189226139911250, which contains 22 as substring.

It is a Duffinian 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 17 ways as a sum of consecutive naturals, for example, 56139 + ... + 56311.

Almost surely, 2^9726925 is an apocalyptic number.

It is an amenable number.

9726925 is a deficient number, since it is larger than the sum of its proper divisors (3337777).

9726925 is a wasteful number, since it uses less digits than its factorization.

9726925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 191 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 9726925 is about 3118.8018532764. The cubic root of 9726925 is about 213.4642683083.

The spelling of 9726925 in words is "nine million, seven hundred twenty-six thousand, nine hundred twenty-five".