42770271 has 16 divisors (see below), whose sum is σ = 59867136. Its totient is φ = 27108576.

The previous prime is 42770269. The next prime is 42770279. The reversal of 42770271 is 17207724.

It is not a de Polignac number, because 42770271 - 2¹ = 42770269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42770279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10146 + ... + 13728.

It is an arithmetic number, because the mean of its divisors is an integer number (3741696).

Almost surely, 2^42770271 is an apocalyptic number.

42770271 is a deficient number, since it is larger than the sum of its proper divisors (17096865).

42770271 is a wasteful number, since it uses less digits than its factorization.

42770271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 42770271 is about 6539.8983937061. The cubic root of 42770271 is about 349.7147907801.

Adding to 42770271 its reverse (17207724), we get a palindrome (59977995).

The spelling of 42770271 in words is "forty-two million, seven hundred seventy thousand, two hundred seventy-one".