43028066 has 4 divisors (see below), whose sum is σ = 64542102. Its totient is φ = 21514032.

The previous prime is 43028053. The next prime is 43028099. The reversal of 43028066 is 66082034.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66082034 = 2 ⋅33041017.

It can be written as a sum of positive squares in only one way, i.e., 41977441 + 1050625 = 6479^2 + 1025^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10757015 + ... + 10757018.

Almost surely, 2^43028066 is an apocalyptic number.

43028066 is a deficient number, since it is larger than the sum of its proper divisors (21514036).

43028066 is a wasteful number, since it uses less digits than its factorization.

43028066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21514035.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 43028066 is about 6559.5781876581. The cubic root of 43028066 is about 350.4160114536.

The spelling of 43028066 in words is "forty-three million, twenty-eight thousand, sixty-six".