43540874 has 8 divisors (see below), whose sum is σ = 70335300. Its totient is φ = 20095776.

The previous prime is 43540873. The next prime is 43540883. The reversal of 43540874 is 47804534.

It can be written as a sum of positive squares in 2 ways, for example, as 43230625 + 310249 = 6575^2 + 557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (43540873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837299 + ... + 837350.

Almost surely, 2^43540874 is an apocalyptic number.

43540874 is a deficient number, since it is larger than the sum of its proper divisors (26794426).

43540874 is a wasteful number, since it uses less digits than its factorization.

43540874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674664.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 43540874 is about 6598.5509015238. The cubic root of 43540874 is about 351.8026021751.

The spelling of 43540874 in words is "forty-three million, five hundred forty thousand, eight hundred seventy-four".