42738648 has 16 divisors (see below), whose sum is σ = 106846680. Its totient is φ = 14246208.

The previous prime is 42738637. The next prime is 42738649. The reversal of 42738648 is 84683724.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42738649) 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 3 ways as a sum of consecutive naturals, for example, 890365 + ... + 890412.

Almost surely, 2^42738648 is an apocalyptic number.

It is an amenable number.

42738648 is an abundant number, since it is smaller than the sum of its proper divisors (64108032).

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

42738648 is a wasteful number, since it uses less digits than its factorization.

42738648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780786 (or 1780782 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 42738648 is about 6537.4802485361. The cubic root of 42738648 is about 349.6285801385.

It can be divided in two parts, 4273 and 8648, that added together give a palindrome (12921).

The spelling of 42738648 in words is "forty-two million, seven hundred thirty-eight thousand, six hundred forty-eight".