9725418276 has 144 divisors (see below), whose sum is σ = 28028875392. Its totient is φ = 2607897600.

The previous prime is 9725418257. The next prime is 9725418277. The reversal of 9725418276 is 6728145279.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (9725418277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4207161 + ... + 4209471.

It is an arithmetic number, because the mean of its divisors is an integer number (194644968).

Almost surely, 2^9725418276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9725418276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14014437696).

9725418276 is an abundant number, since it is smaller than the sum of its proper divisors (18303457116).

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

9725418276 is a wasteful number, since it uses less digits than its factorization.

9725418276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770 (or 2761 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 9725418276 is about 98617.5353372817. The cubic root of 9725418276 is about 2134.5324569682.

The spelling of 9725418276 in words is "nine billion, seven hundred twenty-five million, four hundred eighteen thousand, two hundred seventy-six".