9725094720 has 336 divisors, whose sum is σ = 36633497472. Its totient is φ = 2348421120.

The previous prime is 9725094679. The next prime is 9725094733. The reversal of 9725094720 is 274905279.

9725094720 is a `hidden beast` number, since 9 + 72 + 509 + 4 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 11816229 + ... + 11817051.

Almost surely, 2^9725094720 is an apocalyptic number.

9725094720 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 9725094720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18316748736).

9725094720 is an abundant number, since it is smaller than the sum of its proper divisors (26908402752).

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

9725094720 is a wasteful number, since it uses less digits than its factorization.

9725094720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230 (or 1217 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 9725094720 is about 98615.8948648746. The cubic root of 9725094720 is about 2134.5087853748.

Adding to 9725094720 its reverse (274905279), we get a palindrome (9999999999).

The spelling of 9725094720 in words is "nine billion, seven hundred twenty-five million, ninety-four thousand, seven hundred twenty".