11443730 has 32 divisors (see below), whose sum is σ = 21398256. Its totient is φ = 4402944.

The previous prime is 11443727. The next prime is 11443739. The reversal of 11443730 is 3734411.

11443730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 9591409 + 1852321 = 3097^2 + 1361^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11443696 and 11443705.

It is not an unprimeable number, because it can be changed into a prime (11443739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57992 + ... + 58188.

Almost surely, 2^11443730 is an apocalyptic number.

11443730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11443730 is a deficient number, since it is larger than the sum of its proper divisors (9954526).

11443730 is a wasteful number, since it uses less digits than its factorization.

11443730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 11443730 is about 3382.8582589284. The cubic root of 11443730 is about 225.3491205594.

The spelling of 11443730 in words is "eleven million, four hundred forty-three thousand, seven hundred thirty".