9149742 has 24 divisors (see below), whose sum is σ = 22656816. Its totient is φ = 2614176.

The previous prime is 9149737. The next prime is 9149759. The reversal of 9149742 is 2479419.

It is a junction number, because it is equal to n+sod(n) for n = 9149697 and 9149706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36183 + ... + 36434.

It is an arithmetic number, because the mean of its divisors is an integer number (944034).

Almost surely, 2^9149742 is an apocalyptic number.

9149742 is an abundant number, since it is smaller than the sum of its proper divisors (13507074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9149742 is a wasteful number, since it uses less digits than its factorization.

9149742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72632 (or 72629 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 9149742 is about 3024.8540460657. The cubic root of 9149742 is about 209.1556573378.

The spelling of 9149742 in words is "nine million, one hundred forty-nine thousand, seven hundred forty-two".