43274845 has 12 divisors (see below), whose sum is σ = 54289116. Its totient is φ = 33112640.

The previous prime is 43274839. The next prime is 43274849. The reversal of 43274845 is 54847234.

It can be written as a sum of positive squares in 2 ways, for example, as 16016004 + 27258841 = 4002^2 + 5221^2 .

It is not a de Polignac number, because 43274845 - 2¹⁵ = 43242077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43274849) 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, 5536 + ... + 10825.

It is an arithmetic number, because the mean of its divisors is an integer number (4524093).

Almost surely, 2^43274845 is an apocalyptic number.

It is an amenable number.

43274845 is a deficient number, since it is larger than the sum of its proper divisors (11014271).

43274845 is a wasteful number, since it uses less digits than its factorization.

43274845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16412 (or 16389 counting only the distinct ones).

The product of its digits is 107520, while the sum is 37.

The square root of 43274845 is about 6578.3618781578. The cubic root of 43274845 is about 351.0846488102.

The spelling of 43274845 in words is "forty-three million, two hundred seventy-four thousand, eight hundred forty-five".