43068816 has 60 divisors (see below), whose sum is σ = 137755072. Its totient is φ = 12305088.

The previous prime is 43068743. The next prime is 43068821. The reversal of 43068816 is 61886034.

It is a happy number.

It is a super-4 number, since 4×43068816⁴ (a number of 32 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20356 + ... + 22371.

Almost surely, 2^43068816 is an apocalyptic number.

It is an amenable number.

43068816 is an abundant number, since it is smaller than the sum of its proper divisors (94686256).

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

43068816 is a wasteful number, since it uses less digits than its factorization.

43068816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42748 (or 42739 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 43068816 is about 6562.6835974318. The cubic root of 43068816 is about 350.5265977782.

The spelling of 43068816 in words is "forty-three million, sixty-eight thousand, eight hundred sixteen".