9724080 has 80 divisors (see below), whose sum is σ = 31140864. Its totient is φ = 2507520.

The previous prime is 9724079. The next prime is 9724087. The reversal of 9724080 is 804279.

9724080 = 545² + 546² + ... + 575².

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (9724087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6787 + ... + 8093.

Almost surely, 2^9724080 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 9724080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15570432).

9724080 is an abundant number, since it is smaller than the sum of its proper divisors (21416784).

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

9724080 is a wasteful number, since it uses less digits than its factorization.

9724080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 9724080 is about 3118.3457152792. The cubic root of 9724080 is about 213.4434544312.

The spelling of 9724080 in words is "nine million, seven hundred twenty-four thousand, eighty".