9913730 has 16 divisors (see below), whose sum is σ = 18097344. Its totient is φ = 3909360.

The previous prime is 9913727. The next prime is 9913733. The reversal of 9913730 is 373199.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9913727) and next prime (9913733).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9913733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6272 + ... + 7691.

It is an arithmetic number, because the mean of its divisors is an integer number (1131084).

Almost surely, 2^9913730 is an apocalyptic number.

9913730 is a deficient number, since it is larger than the sum of its proper divisors (8183614).

9913730 is a wasteful number, since it uses less digits than its factorization.

9913730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14041.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 9913730 is about 3148.6076287782. The cubic root of 9913730 is about 214.8221352117.

The spelling of 9913730 in words is "nine million, nine hundred thirteen thousand, seven hundred thirty".