9729413 has 8 divisors (see below), whose sum is σ = 10157400. Its totient is φ = 9307648.

The previous prime is 9729397. The next prime is 9729427. The reversal of 9729413 is 3149279.

It can be written as a sum of positive squares in 4 ways, for example, as 717409 + 9012004 = 847^2 + 3002^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 9729413 - 2⁴ = 9729397 is a prime.

It is a super-2 number, since 2×9729413² = 189322954649138, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9729493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1793 + ... + 4761.

It is an arithmetic number, because the mean of its divisors is an integer number (1269675).

Almost surely, 2^9729413 is an apocalyptic number.

It is an amenable number.

9729413 is a deficient number, since it is larger than the sum of its proper divisors (427987).

9729413 is a wasteful number, since it uses less digits than its factorization.

9729413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111.

The product of its digits is 13608, while the sum is 35.

The square root of 9729413 is about 3119.2006988971. The cubic root of 9729413 is about 213.4824670649.

The spelling of 9729413 in words is "nine million, seven hundred twenty-nine thousand, four hundred thirteen".