11673440 has 24 divisors (see below), whose sum is σ = 27578880. Its totient is φ = 4669312.

The previous prime is 11673419. The next prime is 11673451. The reversal of 11673440 is 4437611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36320 + ... + 36639.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^11673440 is an apocalyptic number.

11673440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11673440 is an abundant number, since it is smaller than the sum of its proper divisors (15905440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11673440 is an equidigital number, since it uses as much as digits as its factorization.

11673440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72974 (or 72966 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 11673440 is about 3416.6416259245. The cubic root of 11673440 is about 226.8469538346.

The spelling of 11673440 in words is "eleven million, six hundred seventy-three thousand, four hundred forty".