9969730 has 8 divisors (see below), whose sum is σ = 17945532. Its totient is φ = 3987888.

The previous prime is 9969719. The next prime is 9969731. The reversal of 9969730 is 379699.

It can be written as a sum of positive squares in 2 ways, for example, as 8277129 + 1692601 = 2877^2 + 1301^2 .

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

It is not an unprimeable number, because it can be changed into a prime (9969731) 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, 498477 + ... + 498496.

Almost surely, 2^9969730 is an apocalyptic number.

9969730 is a deficient number, since it is larger than the sum of its proper divisors (7975802).

9969730 is a wasteful number, since it uses less digits than its factorization.

9969730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996980.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 9969730 is about 3157.4879255509. The cubic root of 9969730 is about 215.2258668345.

Adding to 9969730 its product of nonzero digits (91854), we get a square (10061584 = 3172²).

The spelling of 9969730 in words is "nine million, nine hundred sixty-nine thousand, seven hundred thirty".