43473680 has 40 divisors (see below), whose sum is σ = 105475392. Its totient is φ = 16632704.

The previous prime is 43473679. The next prime is 43473713. The reversal of 43473680 is 8637434.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 43473680.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9974 + ... + 13653.

Almost surely, 2^43473680 is an apocalyptic number.

43473680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43473680 is an abundant number, since it is smaller than the sum of its proper divisors (62001712).

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

43473680 is a wasteful number, since it uses less digits than its factorization.

43473680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23663 (or 23657 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 43473680 is about 6593.4573631745. The cubic root of 43473680 is about 351.6215371011.

The spelling of 43473680 in words is "forty-three million, four hundred seventy-three thousand, six hundred eighty".