42742248 has 64 divisors (see below), whose sum is σ = 114240000. Its totient is φ = 13286592.

The previous prime is 42742241. The next prime is 42742253. The reversal of 42742248 is 84224724.

It is not an unprimeable number, because it can be changed into a prime (42742241) 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 15 ways as a sum of consecutive naturals, for example, 29853 + ... + 31251.

It is an arithmetic number, because the mean of its divisors is an integer number (1785000).

Almost surely, 2^42742248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42742248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57120000).

42742248 is an abundant number, since it is smaller than the sum of its proper divisors (71497752).

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

42742248 is a wasteful number, since it uses less digits than its factorization.

42742248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494 (or 1490 counting only the distinct ones).

The product of its digits is 28672, while the sum is 33.

The square root of 42742248 is about 6537.7555781782. The cubic root of 42742248 is about 349.6383966052.

The spelling of 42742248 in words is "forty-two million, seven hundred forty-two thousand, two hundred forty-eight".