9423742 has 4 divisors (see below), whose sum is σ = 14135616. Its totient is φ = 4711870.

The previous prime is 9423731. The next prime is 9423761. The reversal of 9423742 is 2473249.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2473249 = 19 ⋅130171.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2355934 + ... + 2355937.

It is an arithmetic number, because the mean of its divisors is an integer number (3533904).

Almost surely, 2^9423742 is an apocalyptic number.

9423742 is a deficient number, since it is larger than the sum of its proper divisors (4711874).

9423742 is a wasteful number, since it uses less digits than its factorization.

9423742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711873.

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

The square root of 9423742 is about 3069.8113948580. The cubic root of 9423742 is about 211.2229623555. Note that the first 3 decimals are identical.

The spelling of 9423742 in words is "nine million, four hundred twenty-three thousand, seven hundred forty-two".