43700242 has 8 divisors (see below), whose sum is σ = 65580732. Its totient is φ = 21840000.

The previous prime is 43700213. The next prime is 43700257. The reversal of 43700242 is 24200734.

It can be written as a sum of positive squares in 2 ways, for example, as 36469521 + 7230721 = 6039^2 + 2689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×43700242² = 3819422301717128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2742 + ... + 9742.

Almost surely, 2^43700242 is an apocalyptic number.

43700242 is a deficient number, since it is larger than the sum of its proper divisors (21880490).

43700242 is a wasteful number, since it uses less digits than its factorization.

43700242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10124.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 43700242 is about 6610.6158563329. The cubic root of 43700242 is about 352.2313013604.

Adding to 43700242 its reverse (24200734), we get a palindrome (67900976).

The spelling of 43700242 in words is "forty-three million, seven hundred thousand, two hundred forty-two".