42261067 has 4 divisors (see below), whose sum is σ = 43403296. Its totient is φ = 41118840.

The previous prime is 42261061. The next prime is 42261071. The reversal of 42261067 is 76016224.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-42261067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42261061) 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, 571059 + ... + 571132.

It is an arithmetic number, because the mean of its divisors is an integer number (10850824).

Almost surely, 2^42261067 is an apocalyptic number.

42261067 is a deficient number, since it is larger than the sum of its proper divisors (1142229).

42261067 is a wasteful number, since it uses less digits than its factorization.

42261067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142228.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 42261067 is about 6500.8512519515. The cubic root of 42261067 is about 348.3213962826.

The spelling of 42261067 in words is "forty-two million, two hundred sixty-one thousand, sixty-seven".