42627797 has 4 divisors (see below), whose sum is σ = 42669036. Its totient is φ = 42586560.

The previous prime is 42627779. The next prime is 42627799. The reversal of 42627797 is 79772624.

42627797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35153041 + 7474756 = 5929^2 + 2734^2 .

It is a cyclic number.

It is not a de Polignac number, because 42627797 - 2⁶ = 42627733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42627799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19028 + ... + 21149.

It is an arithmetic number, because the mean of its divisors is an integer number (10667259).

Almost surely, 2^42627797 is an apocalyptic number.

It is an amenable number.

42627797 is a deficient number, since it is larger than the sum of its proper divisors (41239).

42627797 is a wasteful number, since it uses less digits than its factorization.

42627797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41238.

The product of its digits is 296352, while the sum is 44.

The square root of 42627797 is about 6528.9966304173. The cubic root of 42627797 is about 349.3260418382.

Adding to 42627797 its sum of digits (44), we get a square (42627841 = 6529²).

The spelling of 42627797 in words is "forty-two million, six hundred twenty-seven thousand, seven hundred ninety-seven".