11744738 has 4 divisors (see below), whose sum is σ = 17617110. Its totient is φ = 5872368.

The previous prime is 11744731. The next prime is 11744779. The reversal of 11744738 is 83744711.

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

It can be written as a sum of positive squares in only one way, i.e., 10738729 + 1006009 = 3277^2 + 1003^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11744698 and 11744707.

It is not an unprimeable number, because it can be changed into a prime (11744731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2936183 + ... + 2936186.

Almost surely, 2^11744738 is an apocalyptic number.

11744738 is a deficient number, since it is larger than the sum of its proper divisors (5872372).

11744738 is an equidigital number, since it uses as much as digits as its factorization.

11744738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872371.

The product of its digits is 18816, while the sum is 35.

The square root of 11744738 is about 3427.0596726640. The cubic root of 11744738 is about 227.3078553120.

The spelling of 11744738 in words is "eleven million, seven hundred forty-four thousand, seven hundred thirty-eight".