8947742 has 8 divisors (see below), whose sum is σ = 13461336. Its totient is φ = 4460632.

The previous prime is 8947723. The next prime is 8947751. The reversal of 8947742 is 2477498.

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 8947742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5753 + ... + 7140.

It is an arithmetic number, because the mean of its divisors is an integer number (1682667).

Almost surely, 2^8947742 is an apocalyptic number.

8947742 is a deficient number, since it is larger than the sum of its proper divisors (4513594).

8947742 is a wasteful number, since it uses less digits than its factorization.

8947742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13242.

The product of its digits is 112896, while the sum is 41.

The square root of 8947742 is about 2991.2776534451. The cubic root of 8947742 is about 207.6050041920.

The spelling of 8947742 in words is "eight million, nine hundred forty-seven thousand, seven hundred forty-two".