43049768 has 16 divisors (see below), whose sum is σ = 81460500. Its totient is φ = 21326976.

The previous prime is 43049749. The next prime is 43049789. The reversal of 43049768 is 86794034.

It can be written as a sum of positive squares in 2 ways, for example, as 42797764 + 252004 = 6542^2 + 502^2 .

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, 23813 + ... + 25556.

Almost surely, 2^43049768 is an apocalyptic number.

It is an amenable number.

43049768 is a deficient number, since it is larger than the sum of its proper divisors (38410732).

43049768 is a wasteful number, since it uses less digits than its factorization.

43049768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49484 (or 49480 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 43049768 is about 6561.2322013475. The cubic root of 43049768 is about 350.4749144815.

The spelling of 43049768 in words is "forty-three million, forty-nine thousand, seven hundred sixty-eight".