9730172 has 6 divisors (see below), whose sum is σ = 17027808. Its totient is φ = 4865084.

The previous prime is 9730163. The next prime is 9730177. The reversal of 9730172 is 2710379.

It is a happy number.

9730172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9730177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1216268 + ... + 1216275.

It is an arithmetic number, because the mean of its divisors is an integer number (2837968).

Almost surely, 2^9730172 is an apocalyptic number.

It is an amenable number.

9730172 is a deficient number, since it is larger than the sum of its proper divisors (7297636).

9730172 is a wasteful number, since it uses less digits than its factorization.

9730172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432547 (or 2432545 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 9730172 is about 3119.3223623088. The cubic root of 9730172 is about 213.4880182385.

The spelling of 9730172 in words is "nine million, seven hundred thirty thousand, one hundred seventy-two".