42627081 has 16 divisors (see below), whose sum is σ = 65131904. Its totient is φ = 24292224.

The previous prime is 42627059. The next prime is 42627097. The reversal of 42627081 is 18072624.

It is not a de Polignac number, because 42627081 - 2⁵ = 42627049 is a prime.

It is a super-4 number, since 4×42627081⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42627001) 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, 5781 + ... + 10893.

It is an arithmetic number, because the mean of its divisors is an integer number (4070744).

Almost surely, 2^42627081 is an apocalyptic number.

It is an amenable number.

42627081 is a deficient number, since it is larger than the sum of its proper divisors (22504823).

42627081 is a wasteful number, since it uses less digits than its factorization.

42627081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5520.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 42627081 is about 6528.9417978720. The cubic root of 42627081 is about 349.3240860029.

The spelling of 42627081 in words is "forty-two million, six hundred twenty-seven thousand, eighty-one".