42270113 has 4 divisors (see below), whose sum is σ = 44107968. Its totient is φ = 40432260.

The previous prime is 42270101. The next prime is 42270121. The reversal of 42270113 is 31107224.

42270113 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, 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 42270113 - 2⁶ = 42270049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42270413) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 918893 + ... + 918938.

It is an arithmetic number, because the mean of its divisors is an integer number (11026992).

Almost surely, 2^42270113 is an apocalyptic number.

It is an amenable number.

42270113 is a deficient number, since it is larger than the sum of its proper divisors (1837855).

42270113 is a wasteful number, since it uses less digits than its factorization.

42270113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837854.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 42270113 is about 6501.5469697604. The cubic root of 42270113 is about 348.3462472923.

Adding to 42270113 its reverse (31107224), we get a palindrome (73377337).

The spelling of 42270113 in words is "forty-two million, two hundred seventy thousand, one hundred thirteen".