42267091 has 4 divisors (see below), whose sum is σ = 42503400. Its totient is φ = 42030784.

The previous prime is 42267089. The next prime is 42267109. The reversal of 42267091 is 19076224.

42267091 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.

It is a cyclic number.

It is not a de Polignac number, because 42267091 - 2¹ = 42267089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42267391) 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, 117886 + ... + 118243.

It is an arithmetic number, because the mean of its divisors is an integer number (10625850).

Almost surely, 2^42267091 is an apocalyptic number.

42267091 is a deficient number, since it is larger than the sum of its proper divisors (236309).

42267091 is a wasteful number, since it uses less digits than its factorization.

42267091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236308.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 42267091 is about 6501.3145593795. The cubic root of 42267091 is about 348.3379457023.

The spelling of 42267091 in words is "forty-two million, two hundred sixty-seven thousand, ninety-one".