11672749 has 6 divisors (see below), whose sum is σ = 12830510. Its totient is φ = 10611480.

The previous prime is 11672719. The next prime is 11672767. The reversal of 11672749 is 94727611.

11672749 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 only one way, i.e., 8497225 + 3175524 = 2915^2 + 1782^2 .

It is not a de Polignac number, because 11672749 - 2⁷ = 11672621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11672719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48114 + ... + 48355.

Almost surely, 2^11672749 is an apocalyptic number.

It is an amenable number.

11672749 is a deficient number, since it is larger than the sum of its proper divisors (1157761).

11672749 is an equidigital number, since it uses as much as digits as its factorization.

11672749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96491 (or 96480 counting only the distinct ones).

The product of its digits is 21168, while the sum is 37.

The square root of 11672749 is about 3416.5405017356. The cubic root of 11672749 is about 226.8424777380.

It can be divided in two parts, 11672 and 749, that added together give a palindrome (12421).

The spelling of 11672749 in words is "eleven million, six hundred seventy-two thousand, seven hundred forty-nine".