42247041 has 4 divisors (see below), whose sum is σ = 56329392. Its totient is φ = 28164692.

The previous prime is 42247039. The next prime is 42247061. The reversal of 42247041 is 14074224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42247041 - 2¹ = 42247039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42247001) 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, 7041171 + ... + 7041176.

It is an arithmetic number, because the mean of its divisors is an integer number (14082348).

Almost surely, 2^42247041 is an apocalyptic number.

It is an amenable number.

42247041 is a deficient number, since it is larger than the sum of its proper divisors (14082351).

42247041 is a wasteful number, since it uses less digits than its factorization.

42247041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14082350.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 42247041 is about 6499.7723806300. The cubic root of 42247041 is about 348.2828572928.

The spelling of 42247041 in words is "forty-two million, two hundred forty-seven thousand, forty-one".