9742540 has 24 divisors (see below), whose sum is σ = 20709360. Its totient is φ = 3849408.

The previous prime is 9742511. The next prime is 9742541. The reversal of 9742540 is 452479.

It is not an unprimeable number, because it can be changed into a prime (9742541) 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, 1275 + ... + 4594.

It is an arithmetic number, because the mean of its divisors is an integer number (862890).

Almost surely, 2^9742540 is an apocalyptic number.

It is an amenable number.

9742540 is an abundant number, since it is smaller than the sum of its proper divisors (10966820).

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

9742540 is a wasteful number, since it uses less digits than its factorization.

9742540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5961 (or 5959 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 9742540 is about 3121.3042145872. The cubic root of 9742540 is about 213.5784346550.

The spelling of 9742540 in words is "nine million, seven hundred forty-two thousand, five hundred forty".