43272288 has 72 divisors (see below), whose sum is σ = 123695208. Its totient is φ = 14349312.

The previous prime is 43272287. The next prime is 43272323. The reversal of 43272288 is 88227234.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43272287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99720 + ... + 100152.

It is an arithmetic number, because the mean of its divisors is an integer number (1717989).

Almost surely, 2^43272288 is an apocalyptic number.

43272288 is a gapful number since it is divisible by the number (48) 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 43272288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61847604).

43272288 is an abundant number, since it is smaller than the sum of its proper divisors (80422920).

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

43272288 is a wasteful number, since it uses less digits than its factorization.

43272288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 785 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 43272288 is about 6578.1675259908. The cubic root of 43272288 is about 351.0777337758.

The spelling of 43272288 in words is "forty-three million, two hundred seventy-two thousand, two hundred eighty-eight".