43974574 has 32 divisors (see below), whose sum is σ = 80810496. Its totient is φ = 17534880.

The previous prime is 43974571. The next prime is 43974583. The reversal of 43974574 is 47547934.

It is a super-3 number, since 3×43974574³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 43974574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43974571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10069 + ... + 13759.

It is an arithmetic number, because the mean of its divisors is an integer number (2525328).

Almost surely, 2^43974574 is an apocalyptic number.

43974574 is a deficient number, since it is larger than the sum of its proper divisors (36835922).

43974574 is a wasteful number, since it uses less digits than its factorization.

43974574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760.

The product of its digits is 423360, while the sum is 43.

The square root of 43974574 is about 6631.3327468918. The cubic root of 43974574 is about 352.9668184322.

The spelling of 43974574 in words is "forty-three million, nine hundred seventy-four thousand, five hundred seventy-four".