9542730 has 48 divisors (see below), whose sum is σ = 23736672. Its totient is φ = 2455200.

The previous prime is 9542683. The next prime is 9542749. The reversal of 9542730 is 372459.

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

It is a Curzon number.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28665 + ... + 28995.

It is an arithmetic number, because the mean of its divisors is an integer number (494514).

Almost surely, 2^9542730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9542730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11868336).

9542730 is an abundant number, since it is smaller than the sum of its proper divisors (14193942).

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

9542730 is a wasteful number, since it uses less digits than its factorization.

9542730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 9542730 is about 3089.1309457516. The cubic root of 9542730 is about 212.1082424579.

The spelling of 9542730 in words is "nine million, five hundred forty-two thousand, seven hundred thirty".