42620334 has 48 divisors (see below), whose sum is σ = 91518336. Its totient is φ = 13205280.

The previous prime is 42620329. The next prime is 42620339. The reversal of 42620334 is 43302624.

It is a happy number.

42620334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42620329) and next prime (42620339).

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42620339) 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 23 ways as a sum of consecutive naturals, for example, 513457 + ... + 513539.

It is an arithmetic number, because the mean of its divisors is an integer number (1906632).

Almost surely, 2^42620334 is an apocalyptic number.

42620334 is an abundant number, since it is smaller than the sum of its proper divisors (48898002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42620334 is a wasteful number, since it uses less digits than its factorization.

42620334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 42620334 is about 6528.4250780720. The cubic root of 42620334 is about 349.3056547310.

Adding to 42620334 its reverse (43302624), we get a palindrome (85922958).

The spelling of 42620334 in words is "forty-two million, six hundred twenty thousand, three hundred thirty-four".