9373729 has 4 divisors (see below), whose sum is σ = 9392176. Its totient is φ = 9355284.

The previous prime is 9373717. The next prime is 9373759. The reversal of 9373729 is 9273739.

9373729 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9373729 - 2⁵ = 9373697 is a prime.

It is a Duffinian number.

9373729 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9373691 and 9373700.

It is not an unprimeable number, because it can be changed into a prime (9373759) 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, 8439 + ... + 9484.

It is an arithmetic number, because the mean of its divisors is an integer number (2348044).

Almost surely, 2^9373729 is an apocalyptic number.

It is an amenable number.

9373729 is a deficient number, since it is larger than the sum of its proper divisors (18447).

9373729 is a wasteful number, since it uses less digits than its factorization.

9373729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18446.

The product of its digits is 71442, while the sum is 40.

The square root of 9373729 is about 3061.6546180129. The cubic root of 9373729 is about 210.8486369800.

It can be divided in two parts, 937372 and 9, that multiplied together give a palindrome (8436348).

The spelling of 9373729 in words is "nine million, three hundred seventy-three thousand, seven hundred twenty-nine".