43243742 has 4 divisors (see below), whose sum is σ = 64865616. Its totient is φ = 21621870.

The previous prime is 43243723. The next prime is 43243769. The reversal of 43243742 is 24734234.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10810934 + ... + 10810937.

It is an arithmetic number, because the mean of its divisors is an integer number (16216404).

Almost surely, 2^43243742 is an apocalyptic number.

43243742 is a deficient number, since it is larger than the sum of its proper divisors (21621874).

43243742 is a wasteful number, since it uses less digits than its factorization.

43243742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21621873.

The product of its digits is 16128, while the sum is 29.

The square root of 43243742 is about 6575.9974148413. The cubic root of 43243742 is about 351.0005167699. Note that the first 3 decimals are identical.

Adding to 43243742 its reverse (24734234), we get a palindrome (67977976).

The spelling of 43243742 in words is "forty-three million, two hundred forty-three thousand, seven hundred forty-two".