9713720 has 32 divisors (see below), whose sum is σ = 22392720. Its totient is φ = 3790080.

The previous prime is 9713713. The next prime is 9713729. The reversal of 9713720 is 273179.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9713729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322 + ... + 4601.

Almost surely, 2^9713720 is an apocalyptic number.

It is an amenable number.

9713720 is an abundant number, since it is smaller than the sum of its proper divisors (12679000).

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

9713720 is a wasteful number, since it uses less digits than its factorization.

9713720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5975 (or 5971 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 9713720 is about 3116.6841354234. The cubic root of 9713720 is about 213.3676268655.

Adding to 9713720 its reverse (273179), we get a palindrome (9986899).

The spelling of 9713720 in words is "nine million, seven hundred thirteen thousand, seven hundred twenty".