9942730 has 16 divisors (see below), whose sum is σ = 20453760. Its totient is φ = 3408912.

The previous prime is 9942727. The next prime is 9942731. The reversal of 9942730 is 372499.

It is not an unprimeable number, because it can be changed into a prime (9942731) 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, 70950 + ... + 71089.

It is an arithmetic number, because the mean of its divisors is an integer number (1278360).

Almost surely, 2^9942730 is an apocalyptic number.

9942730 is an abundant number, since it is smaller than the sum of its proper divisors (10511030).

9942730 is a wasteful number, since it uses less digits than its factorization.

9942730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142053.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 9942730 is about 3153.2094760735. The cubic root of 9942730 is about 215.0313997767.

The spelling of 9942730 in words is "nine million, nine hundred forty-two thousand, seven hundred thirty".