42741218 has 8 divisors (see below), whose sum is σ = 69043548. Its totient is φ = 19726704.

The previous prime is 42741211. The next prime is 42741221. The reversal of 42741218 is 81214724.

It can be written as a sum of positive squares in 2 ways, for example, as 42159049 + 582169 = 6493^2 + 763^2 .

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

It is a super-2 number, since 2×42741218² = 3653623432247048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42741211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821921 + ... + 821972.

Almost surely, 2^42741218 is an apocalyptic number.

42741218 is a deficient number, since it is larger than the sum of its proper divisors (26302330).

42741218 is a wasteful number, since it uses less digits than its factorization.

42741218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643908.

The product of its digits is 3584, while the sum is 29.

The square root of 42741218 is about 6537.6768044926. The cubic root of 42741218 is about 349.6355880613.

The spelling of 42741218 in words is "forty-two million, seven hundred forty-one thousand, two hundred eighteen".