42727277 has 4 divisors (see below), whose sum is σ = 43636416. Its totient is φ = 41818140.

The previous prime is 42727271. The next prime is 42727301. The reversal of 42727277 is 77272724.

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 42727277 - 2¹⁴ = 42710893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42727277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42727271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454499 + ... + 454592.

It is an arithmetic number, because the mean of its divisors is an integer number (10909104).

Almost surely, 2^42727277 is an apocalyptic number.

42727277 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

42727277 is a deficient number, since it is larger than the sum of its proper divisors (909139).

42727277 is an equidigital number, since it uses as much as digits as its factorization.

42727277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909138.

The product of its digits is 76832, while the sum is 38.

The square root of 42727277 is about 6536.6105131023. The cubic root of 42727277 is about 349.5975701167.

The spelling of 42727277 in words is "forty-two million, seven hundred twenty-seven thousand, two hundred seventy-seven".