9974742 has 8 divisors (see below), whose sum is σ = 19949496. Its totient is φ = 3324912.

The previous prime is 9974711. The next prime is 9974747. The reversal of 9974742 is 2474799.

9974742 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

9974742 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 9974694 and 9974703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9974747) 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, 831223 + ... + 831234.

It is an arithmetic number, because the mean of its divisors is an integer number (2493687).

Almost surely, 2^9974742 is an apocalyptic number.

9974742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9974742 is a wasteful number, since it uses less digits than its factorization.

9974742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662462.

The product of its digits is 127008, while the sum is 42.

The square root of 9974742 is about 3158.2814947373. The cubic root of 9974742 is about 215.2619270331.

The spelling of 9974742 in words is "nine million, nine hundred seventy-four thousand, seven hundred forty-two".