43214564 has 12 divisors (see below), whose sum is σ = 76108284. Its totient is φ = 21469344.

The previous prime is 43214551. The next prime is 43214579. The reversal of 43214564 is 46541234.

43214564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 31449664 + 11764900 = 5608^2 + 3430^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33779 + ... + 35034.

It is an arithmetic number, because the mean of its divisors is an integer number (6342357).

Almost surely, 2^43214564 is an apocalyptic number.

It is an amenable number.

43214564 is a deficient number, since it is larger than the sum of its proper divisors (32893720).

43214564 is a wasteful number, since it uses less digits than its factorization.

43214564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68974 (or 68972 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 43214564 is about 6573.7785177172. The cubic root of 43214564 is about 350.9215550759.

Adding to 43214564 its reverse (46541234), we get a palindrome (89755798).

The spelling of 43214564 in words is "forty-three million, two hundred fourteen thousand, five hundred sixty-four".