11473720 has 64 divisors (see below), whose sum is σ = 28108800. Its totient is φ = 4199040.

The previous prime is 11473699. The next prime is 11473729. The reversal of 11473720 is 2737411.

It is a happy number.

11473720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11473729) 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, 23317 + ... + 23803.

It is an arithmetic number, because the mean of its divisors is an integer number (439200).

Almost surely, 2^11473720 is an apocalyptic number.

11473720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11473720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14054400).

11473720 is an abundant number, since it is smaller than the sum of its proper divisors (16635080).

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

11473720 is a wasteful number, since it uses less digits than its factorization.

11473720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 11473720 is about 3387.2880007463. The cubic root of 11473720 is about 225.5458024998.

The spelling of 11473720 in words is "eleven million, four hundred seventy-three thousand, seven hundred twenty".