9623720 has 32 divisors (see below), whose sum is σ = 22118400. Its totient is φ = 3766848.

The previous prime is 9623699. The next prime is 9623743. The reversal of 9623720 is 273269.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680 + ... + 4439.

It is an arithmetic number, because the mean of its divisors is an integer number (691200).

Almost surely, 2^9623720 is an apocalyptic number.

It is an amenable number.

9623720 is an abundant number, since it is smaller than the sum of its proper divisors (12494680).

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

9623720 is a wasteful number, since it uses less digits than its factorization.

9623720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5177 (or 5173 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 9623720 is about 3102.2121139600. The cubic root of 9623720 is about 212.7066133473.

Adding to 9623720 its reverse (273269), we get a palindrome (9896989).

The spelling of 9623720 in words is "nine million, six hundred twenty-three thousand, seven hundred twenty".