9725400 has 96 divisors (see below), whose sum is σ = 33517200. Its totient is φ = 2592000.

The previous prime is 9725399. The next prime is 9725407. The reversal of 9725400 is 45279.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9725407) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4500 + ... + 6300.

Almost surely, 2^9725400 is an apocalyptic number.

9725400 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9725400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16758600).

9725400 is an abundant number, since it is smaller than the sum of its proper divisors (23791800).

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

9725400 is a wasteful number, since it uses less digits than its factorization.

9725400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826 (or 1811 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 9725400 is about 3118.5573587799. The cubic root of 9725400 is about 213.4531119897.

The spelling of 9725400 in words is "nine million, seven hundred twenty-five thousand, four hundred".