43214642 has 4 divisors (see below), whose sum is σ = 64821966. Its totient is φ = 21607320.

The previous prime is 43214627. The next prime is 43214681. The reversal of 43214642 is 24641234.

43214642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38800441 + 4414201 = 6229^2 + 2101^2 .

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 as a sum of consecutive naturals, namely, 10803659 + ... + 10803662.

Almost surely, 2^43214642 is an apocalyptic number.

43214642 is a deficient number, since it is larger than the sum of its proper divisors (21607324).

43214642 is a wasteful number, since it uses less digits than its factorization.

43214642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21607323.

The product of its digits is 4608, while the sum is 26.

The square root of 43214642 is about 6573.7844503756. The cubic root of 43214642 is about 350.9217662074.

Adding to 43214642 its reverse (24641234), we get a palindrome (67855876).

The spelling of 43214642 in words is "forty-three million, two hundred fourteen thousand, six hundred forty-two".