42345738 has 48 divisors (see below), whose sum is σ = 94174080. Its totient is φ = 13747968.

The previous prime is 42345727. The next prime is 42345739. The reversal of 42345738 is 83754324.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42345739) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137781 + ... + 138087.

It is an arithmetic number, because the mean of its divisors is an integer number (1961960).

Almost surely, 2^42345738 is an apocalyptic number.

42345738 is an abundant number, since it is smaller than the sum of its proper divisors (51828342).

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

42345738 is a wasteful number, since it uses less digits than its factorization.

42345738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 488 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 42345738 is about 6507.3602943129. The cubic root of 42345738 is about 348.5538643554.

The spelling of 42345738 in words is "forty-two million, three hundred forty-five thousand, seven hundred thirty-eight".