43493680 has 20 divisors (see below), whose sum is σ = 101122992. Its totient is φ = 17397440.

The previous prime is 43493669. The next prime is 43493699. The reversal of 43493680 is 8639434.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271756 + ... + 271915.

Almost surely, 2^43493680 is an apocalyptic number.

43493680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43493680 is an abundant number, since it is smaller than the sum of its proper divisors (57629312).

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

43493680 is a wasteful number, since it uses less digits than its factorization.

43493680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543684 (or 543678 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 43493680 is about 6594.9738437692. The cubic root of 43493680 is about 351.6754498179.

The spelling of 43493680 in words is "forty-three million, four hundred ninety-three thousand, six hundred eighty".