43740272 has 20 divisors (see below), whose sum is σ = 85589016. Its totient is φ = 21652800.

The previous prime is 43740271. The next prime is 43740329. The reversal of 43740272 is 27204734.

43740272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43740272² = 3826422789267968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43740271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11918 + ... + 15149.

Almost surely, 2^43740272 is an apocalyptic number.

It is an amenable number.

43740272 is a deficient number, since it is larger than the sum of its proper divisors (41848744).

43740272 is a wasteful number, since it uses less digits than its factorization.

43740272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27176 (or 27170 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 43740272 is about 6613.6428691002. The cubic root of 43740272 is about 352.3388180494.

The spelling of 43740272 in words is "forty-three million, seven hundred forty thousand, two hundred seventy-two".