9720974 has 16 divisors (see below), whose sum is σ = 15973200. Its totient is φ = 4416384.

The previous prime is 9720959. The next prime is 9721013. The reversal of 9720974 is 4790279.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3944 + ... + 5915.

It is an arithmetic number, because the mean of its divisors is an integer number (998325).

Almost surely, 2^9720974 is an apocalyptic number.

9720974 is a deficient number, since it is larger than the sum of its proper divisors (6252226).

9720974 is a wasteful number, since it uses less digits than its factorization.

9720974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9907.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 9720974 is about 3117.8476550338. The cubic root of 9720974 is about 213.4207264553.

The spelling of 9720974 in words is "nine million, seven hundred twenty thousand, nine hundred seventy-four".