42627841 has 3 divisors (see below), whose sum is σ = 42634371. Its totient is φ = 42621312.

The previous prime is 42627833. The next prime is 42627863. The reversal of 42627841 is 14872624.

It is a happy number.

The square root of 42627841 is 6529.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3690241 + 38937600 = 1921^2 + 6240^2 .

It is not a de Polignac number, because 42627841 - 2³ = 42627833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42627797 and 42627806.

It is not an unprimeable number, because it can be changed into a prime (42627341) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3265 + ... + 9793.

It is an arithmetic number, because the mean of its divisors is an integer number (14211457).

Almost surely, 2^42627841 is an apocalyptic number.

42627841 is the 6529-th square number.

42627841 is the 3265-th centered octagonal number.

It is an amenable number.

42627841 is a deficient number, since it is larger than the sum of its proper divisors (6530).

42627841 is an frugal number, since it uses more digits than its factorization.

42627841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13058 (or 6529 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The cubic root of 42627841 is about 349.3261620285.

The spelling of 42627841 in words is "forty-two million, six hundred twenty-seven thousand, eight hundred forty-one".