9749642 has 8 divisors (see below), whose sum is σ = 16713696. Its totient is φ = 4178412.

The previous prime is 9749629. The next prime is 9749647. The reversal of 9749642 is 2469479.

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 9749642.

It is not an unprimeable number, because it can be changed into a prime (9749647) 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, 348188 + ... + 348215.

It is an arithmetic number, because the mean of its divisors is an integer number (2089212).

Almost surely, 2^9749642 is an apocalyptic number.

9749642 is a deficient number, since it is larger than the sum of its proper divisors (6964054).

9749642 is a wasteful number, since it uses less digits than its factorization.

9749642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696412.

The product of its digits is 108864, while the sum is 41.

The square root of 9749642 is about 3122.4416727939. The cubic root of 9749642 is about 213.6303193319.

The spelling of 9749642 in words is "nine million, seven hundred forty-nine thousand, six hundred forty-two".