9742738 has 8 divisors (see below), whose sum is σ = 14832432. Its totient is φ = 4798596.

The previous prime is 9742709. The next prime is 9742739. The reversal of 9742738 is 8372479.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9742738.

It is not an unprimeable number, because it can be changed into a prime (9742739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36220 + ... + 36487.

It is an arithmetic number, because the mean of its divisors is an integer number (1854054).

Almost surely, 2^9742738 is an apocalyptic number.

9742738 is a deficient number, since it is larger than the sum of its proper divisors (5089694).

9742738 is a wasteful number, since it uses less digits than its factorization.

9742738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72776.

The product of its digits is 84672, while the sum is 40.

The square root of 9742738 is about 3121.3359319368. The cubic root of 9742738 is about 213.5798815140.

The spelling of 9742738 in words is "nine million, seven hundred forty-two thousand, seven hundred thirty-eight".