9729950 has 24 divisors (see below), whose sum is σ = 19163952. Its totient is φ = 3662720.

The previous prime is 9729949. The next prime is 9729953. The reversal of 9729950 is 599279.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9729898 and 9729907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9729953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4874 + ... + 6573.

It is an arithmetic number, because the mean of its divisors is an integer number (798498).

Almost surely, 2^9729950 is an apocalyptic number.

9729950 is a deficient number, since it is larger than the sum of its proper divisors (9434002).

9729950 is a wasteful number, since it uses less digits than its factorization.

9729950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11476 (or 11471 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 9729950 is about 3119.2867774541. The cubic root of 9729950 is about 213.4863946049.

The spelling of 9729950 in words is "nine million, seven hundred twenty-nine thousand, nine hundred fifty".