9642724 has 48 divisors (see below), whose sum is σ = 21168000. Its totient is φ = 3741696.

The previous prime is 9642719. The next prime is 9642751. The reversal of 9642724 is 4272469.

It is a super-2 number, since 2×9642724² = 185964252280352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9642724.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21252 + ... + 21700.

It is an arithmetic number, because the mean of its divisors is an integer number (441000).

Almost surely, 2^9642724 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 9642724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10584000).

9642724 is an abundant number, since it is smaller than the sum of its proper divisors (11525276).

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

9642724 is a wasteful number, since it uses less digits than its factorization.

9642724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 530 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 9642724 is about 3105.2735789299. The cubic root of 9642724 is about 212.8465321669.

The spelling of 9642724 in words is "nine million, six hundred forty-two thousand, seven hundred twenty-four".