42621302 has 4 divisors (see below), whose sum is σ = 63931956. Its totient is φ = 21310650.

The previous prime is 42621287. The next prime is 42621307. The reversal of 42621302 is 20312624.

42621302 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 is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42621307) 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 as a sum of consecutive naturals, namely, 10655324 + ... + 10655327.

It is an arithmetic number, because the mean of its divisors is an integer number (15982989).

Almost surely, 2^42621302 is an apocalyptic number.

42621302 is a deficient number, since it is larger than the sum of its proper divisors (21310654).

42621302 is a wasteful number, since it uses less digits than its factorization.

42621302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21310653.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 42621302 is about 6528.4992149804. The cubic root of 42621302 is about 349.3082992067.

Adding to 42621302 its reverse (20312624), we get a palindrome (62933926).

The spelling of 42621302 in words is "forty-two million, six hundred twenty-one thousand, three hundred two".