9405742 has 4 divisors (see below), whose sum is σ = 14108616. Its totient is φ = 4702870.

The previous prime is 9405731. The next prime is 9405749. The reversal of 9405742 is 2475049.

9405742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2475049 = 883 ⋅2803.

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 not an unprimeable number, because it can be changed into a prime (9405749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2351434 + ... + 2351437.

It is an arithmetic number, because the mean of its divisors is an integer number (3527154).

Almost surely, 2^9405742 is an apocalyptic number.

9405742 is a deficient number, since it is larger than the sum of its proper divisors (4702874).

9405742 is a wasteful number, since it uses less digits than its factorization.

9405742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4702873.

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

The square root of 9405742 is about 3066.8782173409. The cubic root of 9405742 is about 211.0883931438.

The spelling of 9405742 in words is "nine million, four hundred five thousand, seven hundred forty-two".