11730073 has 4 divisors (see below), whose sum is σ = 12047140. Its totient is φ = 11413008.

The previous prime is 11730041. The next prime is 11730079. The reversal of 11730073 is 37003711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7601049 + 4129024 = 2757^2 + 2032^2 .

It is a cyclic number.

It is not a de Polignac number, because 11730073 - 2⁵ = 11730041 is a prime.

It is a super-2 number, since 2×11730073² = 275189225170658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11730079) 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, 158478 + ... + 158551.

It is an arithmetic number, because the mean of its divisors is an integer number (3011785).

Almost surely, 2^11730073 is an apocalyptic number.

It is an amenable number.

11730073 is a deficient number, since it is larger than the sum of its proper divisors (317067).

11730073 is an equidigital number, since it uses as much as digits as its factorization.

11730073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317066.

The product of its (nonzero) digits is 441, while the sum is 22.

The square root of 11730073 is about 3424.9194151104. The cubic root of 11730073 is about 227.2132070221.

Adding to 11730073 its reverse (37003711), we get a palindrome (48733784).

The spelling of 11730073 in words is "eleven million, seven hundred thirty thousand, seventy-three".