9709744 has 40 divisors (see below), whose sum is σ = 21016512. Its totient is φ = 4307520.

The previous prime is 9709723. The next prime is 9709757. The reversal of 9709744 is 4479079.

It is a junction number, because it is equal to n+sod(n) for n = 9709697 and 9709706.

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, 6927 + ... + 8209.

Almost surely, 2^9709744 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 9709744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10508256).

9709744 is an abundant number, since it is smaller than the sum of its proper divisors (11306768).

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

9709744 is a wasteful number, since it uses less digits than its factorization.

9709744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1339 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 9709744 is about 3116.0462127510. The cubic root of 9709744 is about 213.3385111590.

The spelling of 9709744 in words is "nine million, seven hundred nine thousand, seven hundred forty-four".