42738546 has 16 divisors (see below), whose sum is σ = 85548384. Its totient is φ = 14234304.

The previous prime is 42738541. The next prime is 42738569. The reversal of 42738546 is 64583724.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42738541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7866 + ... + 12138.

It is an arithmetic number, because the mean of its divisors is an integer number (5346774).

Almost surely, 2^42738546 is an apocalyptic number.

42738546 is an abundant number, since it is smaller than the sum of its proper divisors (42809838).

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

42738546 is a wasteful number, since it uses less digits than its factorization.

42738546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5945.

The product of its digits is 161280, while the sum is 39.

The square root of 42738546 is about 6537.4724473607. The cubic root of 42738546 is about 349.6283019972.

The spelling of 42738546 in words is "forty-two million, seven hundred thirty-eight thousand, five hundred forty-six".