43689974 has 16 divisors (see below), whose sum is σ = 68328576. Its totient is φ = 20928000.

The previous prime is 43689973. The next prime is 43689977. The reversal of 43689974 is 47998634.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43689973) 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, 2774 + ... + 9750.

It is an arithmetic number, because the mean of its divisors is an integer number (4270536).

Almost surely, 2^43689974 is an apocalyptic number.

43689974 is a deficient number, since it is larger than the sum of its proper divisors (24638602).

43689974 is a wasteful number, since it uses less digits than its factorization.

43689974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7111.

The product of its digits is 1306368, while the sum is 50.

The square root of 43689974 is about 6609.8391810996. The cubic root of 43689974 is about 352.2037119304.

The spelling of 43689974 in words is "forty-three million, six hundred eighty-nine thousand, nine hundred seventy-four".