42620271 has 8 divisors (see below), whose sum is σ = 57009840. Its totient is φ = 28322112.

The previous prime is 42620269. The next prime is 42620293. The reversal of 42620271 is 17202624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42620271 - 2¹ = 42620269 is a prime.

It is a super-2 number, since 2×42620271² = 3632975000226882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42620471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21756 + ... + 23633.

It is an arithmetic number, because the mean of its divisors is an integer number (7126230).

Almost surely, 2^42620271 is an apocalyptic number.

42620271 is a deficient number, since it is larger than the sum of its proper divisors (14389569).

42620271 is a wasteful number, since it uses less digits than its factorization.

42620271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45705.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 42620271 is about 6528.4202530168. The cubic root of 42620271 is about 349.3054826201.

Adding to 42620271 its reverse (17202624), we get a palindrome (59822895).

The spelling of 42620271 in words is "forty-two million, six hundred twenty thousand, two hundred seventy-one".