42272927 has 4 divisors (see below), whose sum is σ = 43304016. Its totient is φ = 41241840.

The previous prime is 42272921. The next prime is 42272947. The reversal of 42272927 is 72927224.

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 42272927 - 2¹⁶ = 42207391 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42272921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515483 + ... + 515564.

It is an arithmetic number, because the mean of its divisors is an integer number (10826004).

Almost surely, 2^42272927 is an apocalyptic number.

42272927 is a deficient number, since it is larger than the sum of its proper divisors (1031089).

42272927 is a wasteful number, since it uses less digits than its factorization.

42272927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031088.

The product of its digits is 28224, while the sum is 35.

The square root of 42272927 is about 6501.7633761926. The cubic root of 42272927 is about 348.3539771399.

The spelling of 42272927 in words is "forty-two million, two hundred seventy-two thousand, nine hundred twenty-seven".