9925972 has 24 divisors (see below), whose sum is σ = 20716416. Its totient is φ = 4068768.

The previous prime is 9925969. The next prime is 9925973. The reversal of 9925972 is 2795299.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9925973) 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 7 ways as a sum of consecutive naturals, for example, 7063 + ... + 8350.

It is an arithmetic number, because the mean of its divisors is an integer number (863184).

Almost surely, 2^9925972 is an apocalyptic number.

9925972 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

9925972 is an abundant number, since it is smaller than the sum of its proper divisors (10790444).

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

9925972 is a wasteful number, since it uses less digits than its factorization.

9925972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15447 (or 15445 counting only the distinct ones).

The product of its digits is 102060, while the sum is 43.

The square root of 9925972 is about 3150.5510629095. The cubic root of 9925972 is about 214.9105234311.

The spelling of 9925972 in words is "nine million, nine hundred twenty-five thousand, nine hundred seventy-two".