42765227 has 4 divisors (see below), whose sum is σ = 44239920. Its totient is φ = 41290536.

The previous prime is 42765221. The next prime is 42765259. The reversal of 42765227 is 72256724.

42765227 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 42765227 - 2¹⁴ = 42748843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42765221) 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, 737303 + ... + 737360.

It is an arithmetic number, because the mean of its divisors is an integer number (11059980).

Almost surely, 2^42765227 is an apocalyptic number.

42765227 is a deficient number, since it is larger than the sum of its proper divisors (1474693).

42765227 is a wasteful number, since it uses less digits than its factorization.

42765227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474692.

The product of its digits is 47040, while the sum is 35.

The square root of 42765227 is about 6539.5127494332. The cubic root of 42765227 is about 349.7010426734.

The spelling of 42765227 in words is "forty-two million, seven hundred sixty-five thousand, two hundred twenty-seven".