43473642 has 16 divisors (see below), whose sum is σ = 87039360. Its totient is φ = 14475872.

The previous prime is 43473601. The next prime is 43473649. The reversal of 43473642 is 24637434.

It is not an unprimeable number, because it can be changed into a prime (43473649) 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, 3334 + ... + 9902.

It is an arithmetic number, because the mean of its divisors is an integer number (5439960).

Almost surely, 2^43473642 is an apocalyptic number.

43473642 is an abundant number, since it is smaller than the sum of its proper divisors (43565718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43473642 is a wasteful number, since it uses less digits than its factorization.

43473642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7677.

The product of its digits is 48384, while the sum is 33.

The square root of 43473642 is about 6593.4544815294. The cubic root of 43473642 is about 351.6214346512.

It can be divided in two parts, 434736 and 42, that added together give a triangular number (434778 = T₉₃₂).

The spelling of 43473642 in words is "forty-three million, four hundred seventy-three thousand, six hundred forty-two".