42237340 has 24 divisors (see below), whose sum is σ = 91758240. Its totient is φ = 16312128.

The previous prime is 42237337. The next prime is 42237341. The reversal of 42237340 is 4373224.

42237340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42237341) 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 7 ways as a sum of consecutive naturals, for example, 35832 + ... + 36991.

It is an arithmetic number, because the mean of its divisors is an integer number (3823260).

Almost surely, 2^42237340 is an apocalyptic number.

It is an amenable number.

42237340 is an abundant number, since it is smaller than the sum of its proper divisors (49520900).

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

42237340 is a wasteful number, since it uses less digits than its factorization.

42237340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72861 (or 72859 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 42237340 is about 6499.0260808832. The cubic root of 42237340 is about 348.2561970379.

The spelling of 42237340 in words is "forty-two million, two hundred thirty-seven thousand, three hundred forty".