43452272 has 40 divisors (see below), whose sum is σ = 90034416. Its totient is φ = 20243456.

The previous prime is 43452271. The next prime is 43452281. The reversal of 43452272 is 27225434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43452271) 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, 28358 + ... + 29850.

Almost surely, 2^43452272 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 43452272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45017208).

43452272 is an abundant number, since it is smaller than the sum of its proper divisors (46582144).

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

43452272 is a wasteful number, since it uses less digits than its factorization.

43452272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625 (or 1619 counting only the distinct ones).

The product of its digits is 13440, while the sum is 29.

The square root of 43452272 is about 6591.8337357673. The cubic root of 43452272 is about 351.5638106038.

The spelling of 43452272 in words is "forty-three million, four hundred fifty-two thousand, two hundred seventy-two".