9709672 has 32 divisors (see below), whose sum is σ = 21067200. Its totient is φ = 4109184.

The previous prime is 9709663. The next prime is 9709673. The reversal of 9709672 is 2769079.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9709673) 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, 3604 + ... + 5692.

It is an arithmetic number, because the mean of its divisors is an integer number (658350).

Almost surely, 2^9709672 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 9709672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10533600).

9709672 is an abundant number, since it is smaller than the sum of its proper divisors (11357528).

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

9709672 is a wasteful number, since it uses less digits than its factorization.

9709672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2181 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 9709672 is about 3116.0346596275. The cubic root of 9709672 is about 213.3379838396.

The spelling of 9709672 in words is "nine million, seven hundred nine thousand, six hundred seventy-two".