9154742 has 4 divisors (see below), whose sum is σ = 13732116. Its totient is φ = 4577370.

The previous prime is 9154729. The next prime is 9154771. The reversal of 9154742 is 2474519.

It is a happy number.

9154742 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: 2474519 = 59 ⋅41941.

It is a junction number, because it is equal to n+sod(n) for n = 9154699 and 9154708.

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, 2288684 + ... + 2288687.

It is an arithmetic number, because the mean of its divisors is an integer number (3433029).

Almost surely, 2^9154742 is an apocalyptic number.

9154742 is a deficient number, since it is larger than the sum of its proper divisors (4577374).

9154742 is a wasteful number, since it uses less digits than its factorization.

9154742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4577373.

The product of its digits is 10080, while the sum is 32.

The square root of 9154742 is about 3025.6804193437. The cubic root of 9154742 is about 209.1937490440.

The spelling of 9154742 in words is "nine million, one hundred fifty-four thousand, seven hundred forty-two".