9742243 has 8 divisors (see below), whose sum is σ = 11238912. Its totient is φ = 8271816.

The previous prime is 9742219. The next prime is 9742253. The reversal of 9742243 is 3422479.

9742243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9742243 - 2¹³ = 9734051 is a prime.

It is a super-2 number, since 2×9742243² = 189822597342098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9742253) 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, 5755 + ... + 7252.

It is an arithmetic number, because the mean of its divisors is an integer number (1404864).

Almost surely, 2^9742243 is an apocalyptic number.

9742243 is a deficient number, since it is larger than the sum of its proper divisors (1496669).

9742243 is a wasteful number, since it uses less digits than its factorization.

9742243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13121.

The product of its digits is 12096, while the sum is 31.

The square root of 9742243 is about 3121.2566379585. The cubic root of 9742243 is about 213.5762643299.

The spelling of 9742243 in words is "nine million, seven hundred forty-two thousand, two hundred forty-three".