43242064 has 20 divisors (see below), whose sum is σ = 85363956. Its totient is φ = 21212672.

The previous prime is 43242041. The next prime is 43242071. The reversal of 43242064 is 46024234.

It can be written as a sum of positive squares in 2 ways, for example, as 11971600 + 31270464 = 3460^2 + 5592^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24649 + ... + 26344.

Almost surely, 2^43242064 is an apocalyptic number.

It is an amenable number.

43242064 is a deficient number, since it is larger than the sum of its proper divisors (42121892).

43242064 is a wasteful number, since it uses less digits than its factorization.

43242064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51054 (or 51048 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 43242064 is about 6575.8698283953. The cubic root of 43242064 is about 350.9959767181.

Adding to 43242064 its reverse (46024234), we get a palindrome (89266298).

The spelling of 43242064 in words is "forty-three million, two hundred forty-two thousand, sixty-four".