43725312 has 80 divisors (see below), whose sum is σ = 129470880. Its totient is φ = 14570496.

The previous prime is 43725299. The next prime is 43725317. The reversal of 43725312 is 21352734.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (43725317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12243 + ... + 15405.

It is an arithmetic number, because the mean of its divisors is an integer number (1618386).

Almost surely, 2^43725312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43725312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64735440).

43725312 is an abundant number, since it is smaller than the sum of its proper divisors (85745568).

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

43725312 is an equidigital number, since it uses as much as digits as its factorization.

43725312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190 (or 3168 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 43725312 is about 6612.5117769271. The cubic root of 43725312 is about 352.2986446232.

The spelling of 43725312 in words is "forty-three million, seven hundred twenty-five thousand, three hundred twelve".