9725430 has 64 divisors (see below), whose sum is σ = 27433728. Its totient is φ = 2175360.

The previous prime is 9725407. The next prime is 9725431. The reversal of 9725430 is 345279.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9725431) 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 31 ways as a sum of consecutive naturals, for example, 3157 + ... + 5423.

It is an arithmetic number, because the mean of its divisors is an integer number (428652).

Almost surely, 2^9725430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9725430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13716864).

9725430 is an abundant number, since it is smaller than the sum of its proper divisors (17708298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9725430 is a wasteful number, since it uses less digits than its factorization.

9725430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 9725430 is about 3118.5621686925. The cubic root of 9725430 is about 213.4533314695.

The spelling of 9725430 in words is "nine million, seven hundred twenty-five thousand, four hundred thirty".