42727641 has 24 divisors (see below), whose sum is σ = 64657152. Its totient is φ = 25053600.

The previous prime is 42727631. The next prime is 42727649. The reversal of 42727641 is 14672724.

It is not a de Polignac number, because 42727641 - 2⁵ = 42727609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (42727649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9355 + ... + 13151.

It is an arithmetic number, because the mean of its divisors is an integer number (2694048).

Almost surely, 2^42727641 is an apocalyptic number.

It is an amenable number.

42727641 is a deficient number, since it is larger than the sum of its proper divisors (21929511).

42727641 is a wasteful number, since it uses less digits than its factorization.

42727641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853 (or 3842 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 42727641 is about 6536.6383562195. The cubic root of 42727641 is about 349.5985628717.

The spelling of 42727641 in words is "forty-two million, seven hundred twenty-seven thousand, six hundred forty-one".